Peter W Nathanielsz

Summary

Affiliation: New York University
Country: USA

Publications

  1. ncbi request reprint Topographical specialization of prostaglandin function in late pregnancy and at parturition in the baboon
    Peter W Nathanielsz
    Department of Obstetrics, Center for Women s Health Research, New York University Medical School, 550 1st Ave, New York 10016, USA
    Prostaglandins Leukot Essent Fatty Acids 70:199-206. 2004
  2. ncbi request reprint Life before birth: effects of cortisol on future cardiovascular and metabolic function
    P W Nathanielsz
    Center for Women s Health Research, Department of Obstet Gynecol, New York University School of Medicine, New York 10016, USA
    Acta Paediatr 92:766-72. 2003
  3. ncbi request reprint Three weekly courses of betamethasone administered to pregnant baboons at 0.6, 0.65, and 0.7 of gestation alter fetal and maternal lymphocyte populations at 0.95 of gestation
    Natalia E Schlabritz-Loutsevitch
    Department of Obstetrics, University of Texas Health Science Center, San Antonio, TX, USA
    J Reprod Immunol 69:149-63. 2006
  4. ncbi request reprint Development of a system for individual feeding of baboons maintained in an outdoor group social environment
    Natalia E Schlabritz-Loutsevitch
    Department of Obstetrics and Gynecology, New York University School of Medicine, New York, NY 10016, USA
    J Med Primatol 33:117-26. 2004
  5. ncbi request reprint Sufficient progesterone-priming prior to estradiol stimulation is required for optimal induction of the cervical prostaglandin system in pregnant sheep at 0.7 gestations
    Wen Xuan Wu
    Department of Obstetrics and Gynecology, Wake Forest University SOM, Winston Salem, North Carolina 27157, USA
    Biol Reprod 73:343-50. 2005
  6. pmc Effects of gestational age and cortisol treatment on ovine fetal heart function in a novel biventricular Langendorff preparation
    Andrew J W Fletcher
    Department of Physiology, University of Cambridge, Downing Street, Cambridge CB2 3EG, UK
    J Physiol 562:493-505. 2005
  7. ncbi request reprint Ontogeny of hematological cell and biochemical profiles in maternal and fetal baboons (Papio species)
    Natalia E Schlabritz-Loutsevitch
    Southwest National Primate Research Center, Southwest Foundation for Biomedical Research, San Antonio, TX 78227 5301, USA
    J Med Primatol 34:193-200. 2005
  8. ncbi request reprint Antenatal glucocorticoids reset the level of baseline and hypoxemia-induced pituitary-adrenal activity in the sheep fetus during late gestation
    Andrew J W Fletcher
    Department of Physiology, University of Cambridge, Cambridge CB2 3EG, UK
    Am J Physiol Endocrinol Metab 286:E311-9. 2004
  9. ncbi request reprint Gestation-related and betamethasone-induced changes in 11beta-hydroxysteroid dehydrogenase types 1 and 2 in the baboon placenta
    Xiao Hong Ma
    Laboratory of Pregnancy and Newborn Research, Department of Biomedical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, USA
    Am J Obstet Gynecol 188:13-21. 2003
  10. pmc Non-human primate fetal kidney transcriptome analysis indicates mammalian target of rapamycin (mTOR) is a central nutrient-responsive pathway
    Mark J Nijland
    Department of Obstetrics and Gynecology and Center for Pregnancy and Newborn Research, University of Texas Health Science Center, San Antonio, TX, USA
    J Physiol 579:643-56. 2007

Collaborators

Detail Information

Publications51

  1. ncbi request reprint Topographical specialization of prostaglandin function in late pregnancy and at parturition in the baboon
    Peter W Nathanielsz
    Department of Obstetrics, Center for Women s Health Research, New York University Medical School, 550 1st Ave, New York 10016, USA
    Prostaglandins Leukot Essent Fatty Acids 70:199-206. 2004
    ....
  2. ncbi request reprint Life before birth: effects of cortisol on future cardiovascular and metabolic function
    P W Nathanielsz
    Center for Women s Health Research, Department of Obstet Gynecol, New York University School of Medicine, New York 10016, USA
    Acta Paediatr 92:766-72. 2003
    ..The concept of fetal programming is an area that is now under rigorous investigation in many laboratories throughout the world. We need to engender a fascination in all segments of society, not just pregnant women, about life in the womb...
  3. ncbi request reprint Three weekly courses of betamethasone administered to pregnant baboons at 0.6, 0.65, and 0.7 of gestation alter fetal and maternal lymphocyte populations at 0.95 of gestation
    Natalia E Schlabritz-Loutsevitch
    Department of Obstetrics, University of Texas Health Science Center, San Antonio, TX, USA
    J Reprod Immunol 69:149-63. 2006
    ....
  4. ncbi request reprint Development of a system for individual feeding of baboons maintained in an outdoor group social environment
    Natalia E Schlabritz-Loutsevitch
    Department of Obstetrics and Gynecology, New York University School of Medicine, New York, NY 10016, USA
    J Med Primatol 33:117-26. 2004
    ..Dominance was not related to food consumed in individual cages. The system permits study of many variables related to behavior and food intake while still retaining critical social interactions...
  5. ncbi request reprint Sufficient progesterone-priming prior to estradiol stimulation is required for optimal induction of the cervical prostaglandin system in pregnant sheep at 0.7 gestations
    Wen Xuan Wu
    Department of Obstetrics and Gynecology, Wake Forest University SOM, Winston Salem, North Carolina 27157, USA
    Biol Reprod 73:343-50. 2005
    ....
  6. pmc Effects of gestational age and cortisol treatment on ovine fetal heart function in a novel biventricular Langendorff preparation
    Andrew J W Fletcher
    Department of Physiology, University of Cambridge, Downing Street, Cambridge CB2 3EG, UK
    J Physiol 562:493-505. 2005
    ..These changes in myocardial responsiveness are not solely dependent on preparturient elevations in fetal plasma cortisol concentration...
  7. ncbi request reprint Ontogeny of hematological cell and biochemical profiles in maternal and fetal baboons (Papio species)
    Natalia E Schlabritz-Loutsevitch
    Southwest National Primate Research Center, Southwest Foundation for Biomedical Research, San Antonio, TX 78227 5301, USA
    J Med Primatol 34:193-200. 2005
    ..The level of alkaline phosphatase was two times higher in fetal blood circulation than that reported in human pregnancy...
  8. ncbi request reprint Antenatal glucocorticoids reset the level of baseline and hypoxemia-induced pituitary-adrenal activity in the sheep fetus during late gestation
    Andrew J W Fletcher
    Department of Physiology, University of Cambridge, Cambridge CB2 3EG, UK
    Am J Physiol Endocrinol Metab 286:E311-9. 2004
    ..These data show that prenatal glucocorticoids alter the basal set point of the HPA axis and enhance HPA axis responses to acute stress in the ovine fetus during late gestation...
  9. ncbi request reprint Gestation-related and betamethasone-induced changes in 11beta-hydroxysteroid dehydrogenase types 1 and 2 in the baboon placenta
    Xiao Hong Ma
    Laboratory of Pregnancy and Newborn Research, Department of Biomedical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, USA
    Am J Obstet Gynecol 188:13-21. 2003
    ..We examined whether maternal glucocorticoid administration alters placental 11beta-HSD 2 expression...
  10. pmc Non-human primate fetal kidney transcriptome analysis indicates mammalian target of rapamycin (mTOR) is a central nutrient-responsive pathway
    Mark J Nijland
    Department of Obstetrics and Gynecology and Center for Pregnancy and Newborn Research, University of Texas Health Science Center, San Antonio, TX, USA
    J Physiol 579:643-56. 2007
    ..5G kidney phenotype in response NR. From these data we have determined that the mammalian target of rapamycin (mTOR) signalling pathway is central to this phenotype...
  11. ncbi request reprint In utero exposure to maternal obesity and diabetes: animal models that identify and characterize implications for future health
    Peter W Nathanielsz
    Department of Obstetrics and Gynecology, Center for Pregnancy and Newborn Research, The University of Texas of Health Science Center, 7703 Floyd Curl Drive, MSC 7836, San Antonio, TX 78229, USA
    Obstet Gynecol Clin North Am 34:201-12, vii-viii. 2007
    ....
  12. pmc Influence of maternal undernutrition and overfeeding on cardiac ciliary neurotrophic factor receptor and ventricular size in fetal sheep
    Feng Dong
    Division of Pharmaceutical Sciences, University of Wyoming, Laramie, WY 82071, USA
    J Nutr Biochem 19:409-14. 2008
    ....
  13. ncbi request reprint Maternal nutrient restriction during early to mid gestation up-regulates cardiac insulin-like growth factor (IGF) receptors associated with enlarged ventricular size in fetal sheep
    Feng Dong
    Division of Pharmaceutical Sciences and Center for Cardiovascular Research and Alternative Medicine, University of Wyoming, Laramie, WY 82071 3375, USA
    Growth Horm IGF Res 15:291-9. 2005
    ..Our study suggest that maternal undernutrition from early to mid gestation may change the expression of IGF-1R and IGF-2R in fetal myocardium, and play a role in cardiac ventricular enlargement in fetal sheep...
  14. pmc AMP-activated protein kinase signalling pathways are down regulated and skeletal muscle development impaired in fetuses of obese, over-nourished sheep
    Mei J Zhu
    Department of Animal Science and Interdepartmental Molecular and Cellular Life Sciences Program, University of Wyoming, Laramie, WY 82071, USA
    J Physiol 586:2651-64. 2008
    ..In summary, we have demonstrated decreased signalling of the AMPK system in skeletal muscle of fetuses of OB mothers, which may play a role in altered muscle development and development of insulin resistance in the offspring...
  15. pmc The influence of long chain polyunsaturate supplementation on docosahexaenoic acid and arachidonic acid in baboon neonate central nervous system
    Guan Yeu Diau
    Division of Nutritional Sciences, Cornell University, Ithaca, New York, USA
    BMC Med 3:11. 2005
    ..We quantitatively mapped fatty acids in 26 regions of the four-week-old breastfed baboon CNS, and studied the influence of dietary DHA and ARA supplementation and prematurity on CNS DHA and ARA concentrations...
  16. pmc Betamethasone pharmacokinetics after two prodrug formulations in sheep: implications for antenatal corticosteroid use
    Mahesh N Samtani
    Department of Pharmaceutical Sciences, School of Pharmacy and Pharmaceutical Sciences, University at Buffalo, State University of New York, 565 Hochstetter Hall, Buffalo, NY 14260, USA
    Drug Metab Dispos 33:1124-30. 2005
    ..In light of this newly identified long terminal half-life for the betamethasone dual formulation, dosing practices for betamethasone in pregnancy need to be reassessed...
  17. ncbi request reprint Structural evidence for mechanisms to redistribute hepatic and ductus venosus blood flows in nonhuman primate fetuses
    Mikhail Tchirikov
    Universitatsklinikum Hamburg Eppendorf, Department of Obstetrics and Fetal Medicine, Hamburg, Germany
    Am J Obstet Gynecol 192:1146-52. 2005
    ..However, the anatomic and histologic structure of the DV and the BPV have not been thoroughly investigated in any nonhuman primate species...
  18. ncbi request reprint Betamethasone effects on ovine uterine and umbilical placental perfusion at the dose used to enhance fetal lung maturation
    Matthias Schwab
    Department of Biomedical Sciences, Veterinary School, Cornell University, Ithaca, NY, USA
    Am J Obstet Gynecol 194:572-9. 2006
    ..The purpose of this study was to examine glucocorticoid effects on umbilical placental perfusion...
  19. pmc Gene expression profile differences in left and right liver lobes from mid-gestation fetal baboons: a cautionary tale
    Laura A Cox
    Department of Genetics and Southwest National Primate Research Center, 7620 NW Loop 410, Southwest Foundation for Biomedical Research, San Antonio, TX 78227, USA
    J Physiol 572:59-66. 2006
    ..This is the first demonstration of RNA differences between the two lobes of the fetal liver. The data support the argument that a complete interpretation of gene expression in the developing liver requires data from both lobes...
  20. pmc Developmental origin of health and disease
    Peter W Nathanielsz
    J Physiol 572:3-4. 2006
  21. pmc Kinetics of betamethasone and fetal cardiovascular adverse effects in pregnant sheep after different doses
    Matthias Schwab
    Laboratory for Pregnancy and Newborn Research, Department of Biomedical Sciences, Cornell University, Ithaca, New York, USA
    Obstet Gynecol 108:617-25. 2006
    ..To study the pharmacokinetics of different betamethasone doses and preparations used to enhance fetal lung maturation in the maternal and fetal circulation of sheep and the adverse effects on fetal blood pressure...
  22. ncbi request reprint Omega-3 fatty acids and decidual cell prostaglandin production in response to the inflammatory cytokine IL-1beta
    Ashley S Roman
    Obstetrics and Gynecology, NYU School of Medicine, New York, NY, USA
    Am J Obstet Gynecol 195:1693-9. 2006
    ....
  23. ncbi request reprint Nutrient restriction impairs nephrogenesis in a gender-specific manner in the ovine fetus
    Jeffrey S Gilbert
    Center for the Study of Fetal Programming, University of Wyoming, Laramie, Wyoming 82071, USA
    Pediatr Res 61:42-7. 2007
    ..The present study demonstrates gender-specific differences in fetal growth and development and in fetal kidney development in pregnancies affected by NR...
  24. ncbi request reprint Glucose transporter proteins GLUT1 and GLUT3 like immunoreactivities in the fetal sheep brain are not reduced by maternal betamethasone treatment
    Iwa Antonow-Schlorke
    Department of Neurology, Friedrich Schiller University, D 07740 Jena, Germany
    Neurosci Lett 403:261-5. 2006
    ..These data indicate that alteration of GLUT expression is unlikely to explain the cerebral functional effects of antenatal glucocorticoids...
  25. pmc Maternal nutrient restriction affects properties of skeletal muscle in offspring
    Mei J Zhu
    Center for the Study of Fetal Programming, Department of Animal Science, University of Wyoming, WY 82071, USA
    J Physiol 575:241-50. 2006
    ..Impaired muscle development during this stage of gestation affects the number and composition of fibres in offspring which may lead to long-term physiological consequences, including predisposition to obesity and diabetes...
  26. ncbi request reprint The influence of moderate and high dietary long chain polyunsaturated fatty acids (LCPUFA) on baboon neonate tissue fatty acids
    Andrea T Hsieh
    Division of Nutritional Sciences, Cornell University, Ithaca, New York 14853, USA
    Pediatr Res 61:537-45. 2007
    ..These results imply that higher levels of DHA are necessary to normalize cortex DHA to those found in breastfed animals...
  27. ncbi request reprint Localization and steroid regulation of prostaglandin E2 receptor protein expression in ovine cervix
    Thomas Schmitz
    Maternite Port Royal, Hopital Cochin, AP HP, Universite Rene Descartes Paris V, boulevard de Port Royal, 75014 Paris, France
    Reproduction 131:743-50. 2006
    ..This latter result suggests that cellular EP receptor localization is regulated by estradiol and that PGE2 may also control smooth muscle contraction and regulate ovine cervical dilatation in an intracrine manner via EP3 receptors...
  28. ncbi request reprint Betamethasone-related acute alterations of microtubule-associated proteins in the fetal sheep brain are reversible and independent of age during the last one-third of gestation
    Iwa Antonow-Schlorke
    Department of Neurology, Friedrich Schiller University, Jena, Germany
    Am J Obstet Gynecol 196:553.e1-6. 2007
    ..The purpose of this study was to examine whether glucocorticoid effects on neuronal cytoskeleton, which we have shown previously at 0.87 gestation when the hypothalamo-pituitary-adrenal axis matures, are age-dependent and reversible...
  29. doi request reprint The influence of maternal early to mid-gestation nutrient restriction on long chain polyunsaturated fatty acids in fetal sheep
    Yunhua Zhou
    Division of Nutritional Sciences, Cornell University, Ithaca, NY 14853, USA
    Lipids 43:525-31. 2008
    ....
  30. pmc Betamethasone effects on fetal sheep cerebral blood flow are not dependent on maturation of cerebrovascular system and pituitary-adrenal axis
    Matthias Lohle
    Department of Neurology, Friedrich Schiller University, 07740 Jena, Germany
    J Physiol 564:575-88. 2005
    ..87 of gestation. We conclude that the cerebrovascular effects of antenatal glucocorticoids are independent of cerebrovascular maturation and preparturient increase in activity of the fetal pituitary-adrenal axis...
  31. ncbi request reprint Influence of dietary long-chain PUFA on premature baboon lung FA and dipalmitoyl PC composition
    Angela Chueh Chao
    Division of Nutritional Sciences, Cornell University, Ithaca, New York 14853, USA
    Lipids 38:425-9. 2003
    ..The shift in FA composition toward greater unsaturation in the groups consuming LCP supported improved surfactant lipid concentration in preterm neonate lungs...
  32. ncbi request reprint The influence of prematurity and long chain polyunsaturate supplementation in 4-week adjusted age baboon neonate brain and related tissues
    Eszter Sarkadi-Nagy
    Cornell University, Savage Hall, Ithaca, NY 14853, USA
    Pediatr Res 54:244-52. 2003
    ....
  33. ncbi request reprint Current status of single-course antenatal steroid therapy
    Donald J Dudley
    Department of Obstetrics and Gynecology, University of Texas Health Sciences Center at San Antonio, San Antonio, Texas 78229, USA
    Clin Obstet Gynecol 46:132-49. 2003
  34. pmc The fetal dilemma: spare the brain and spoil the liver
    Peter W Nathanielsz
    J Physiol 548:333. 2003
  35. ncbi request reprint Maternal undernutrition from early- to mid-gestation leads to growth retardation, cardiac ventricular hypertrophy, and increased liver weight in the fetal sheep
    Kimberly A Vonnahme
    Department of Animal Science, University of Wyoming, Laramie, Wyoming 82071 3684, USA
    Biol Reprod 69:133-40. 2003
    ..While these alterations in fetal/placental development may be beneficial to early fetal survival in the face of a nutrient restriction, their effects later in gestation as well as in postnatal life need further investigation...
  36. pmc Glucocorticoid exposure at the dose used clinically alters cytoskeletal proteins and presynaptic terminals in the fetal baboon brain
    Iwa Antonow-Schlorke
    Department of Neurology, Friedrich Schiller University, Jena, Germany
    J Physiol 547:117-23. 2003
    ....
  37. ncbi request reprint Evidence for microvascular dysfunction after prenatal dexamethasone at 0.7, 0.75, and 0.8 gestation in sheep
    Judit Molnar
    Edward Melby Cardiovascular Research Laboratory, Laboratory for Pregnancy and Newborn Research, Department of Biomedical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, New York 14853, USA
    Am J Physiol Regul Integr Comp Physiol 283:R561-7. 2002
    ..Because such dysfunction is associated with several forms of adult hypertension, our results indicate the potential for consequences of antenatal glucocorticoid exposure on adult cardiovascular health...
  38. pmc Developmental changes in cerebral autoregulatory capacity in the fetal sheep parietal cortex
    Thomas Muller
    Institute of Laboratory Animal Science, Friedrich Schiller University, D 07740 Jena, Germany
    J Physiol 539:957-67. 2002
    ..01). LDF is a reliable tool to assess dynamic changes in cerebral perfusion continuously in fetal sheep...
  39. ncbi request reprint Efficacy of dietary arachidonic acid provided as triglyceride or phospholipid as substrates for brain arachidonic acid accretion in baboon neonates
    Vasuki Wijendran
    Division of Nutritional Sciences, Cornell University, Ithaca, NY 14853, USA
    Pediatr Res 51:265-72. 2002
    ..0-fold greater from TG-AA than from PL-AA. We estimate that about half of postnatal brain AA accretion is derived from dietary preformed AA in term baboon neonates consuming a formula with lipid composition similar to that of human milk...
  40. ncbi request reprint Docosahexaenoic and arachidonic acid influence on preterm baboon retinal composition and function
    Guan Yeu Diau
    Division of Nutritional Sciences, Cornell University, Ithaca, New York 14853, USA
    Invest Ophthalmol Vis Sci 44:4559-66. 2003
    ..This study reports measurements of retinal long chain polyunsaturate (LCP) concentrations and electroretinogram (ERG) parameters for term and preterm neonatal baboons consuming clinically relevant diets...
  41. ncbi request reprint Formula feeding potentiates docosahexaenoic and arachidonic acid biosynthesis in term and preterm baboon neonates
    Eszter Sarkadi-Nagy
    Division of Nutritional Sciences, Savage Hall, Cornell University, Ithaca, NY 14853
    J Lipid Res 45:71-80. 2004
    ..Current formula DHA concentrations are inadequate to normalize long-chain polyunsaturated fatty acids synthesis to that of breast-fed levels...
  42. ncbi request reprint Area/moment and compartmental modeling of pharmacokinetics during pregnancy: applications to maternal/fetal exposures to corticosteroids in sheep and rats
    Mahesh N Samtani
    Department of Pharmaceutical Sciences, School of Pharmacy and Pharmaceutical Sciences, University at Buffalo, State University of New York, Buffalo, New York 14260, USA
    Pharm Res 21:2279-92. 2004
    ..Area/Moment equations and compartmental models for estimating pharmacokinetic parameters from single dose data during pregnancy were developed...
  43. ncbi request reprint Phenotypic changes associated with advancing gestation in maternal and fetal baboon lymphocytes
    Luis D Giavedoni
    Southwest National Primate Research Center, Southwest Foundation for Biomedical Research, San Antonio, TX, USA
    J Reprod Immunol 64:121-32. 2004
    ..Our study adds new data to support the notion of pregnancy-induced immune activation and strengthens the value of the baboon as a nonhuman primate model for studies pertinent to human reproductive physiology, pathology, and vaccination...
  44. ncbi request reprint Effect of maternal nutrient restriction in sheep on the development of fetal skeletal muscle
    Mei Jun Zhu
    Center for the Study of Fetal Programming, Department of Animal Science, University of Wyoming, Laramie, Wyoming 82071, USA
    Biol Reprod 71:1968-73. 2004
    ..This decrease in secondary myofibers in fetuses may predispose fetuses to metabolic diseases, such as diabetes and obesity, in their postnatal lives...
  45. ncbi request reprint Maternal nutrient restriction reduces concentrations of amino acids and polyamines in ovine maternal and fetal plasma and fetal fluids
    Hyukjung Kwon
    Department of Animal Science and Center for Animal Biotechnology and Genomics, Texas A and M University, College Station, Texas 77843, USA
    Biol Reprod 71:901-8. 2004
    ..The results have important implications for understanding the mechanisms responsible for both intrauterine growth retardation and developmental origins of adult disease...
  46. pmc Maternal nutrient restriction alters gene expression in the ovine fetal heart
    Hyung Chul Han
    Center for the Study of Fetal Programming and Department of Animal Science, University of Wyoming, Laramie, WY 82071, USA
    J Physiol 558:111-21. 2004
    ..The short- and long-term consequences of these changes in fetal heart gene expression and induction of specific homeostatic mechanisms in response to maternal undernutrition remain to be determined...
  47. ncbi request reprint Maternally administered dexamethasone at 0.7 of gestation suppresses maternal and fetal pituitary and adrenal responses to hypoxemia in sheep
    Michelle A Kutzler
    Department of Clinical Sciences, Oregon State University, Corvallis, OR 97331, USA
    Pediatr Res 55:755-63. 2004
    ..In summary, maternal administration of a low dose of DM at 0.7 of gestation suppresses maternal and fetal adrenal function and changes fetal responses to hypoxemic stress to resemble those observed later in gestation...
  48. ncbi request reprint Stabilization and HPLC analysis of betamethasone sodium phosphate in plasma
    Mahesh N Samtani
    Department of Pharmaceutical Sciences, School of Pharmacy and Pharmaceutical Sciences, University at Buffalo, State University of New York, Buffalo, NY 14260, USA
    J Pharm Sci 93:726-32. 2004
    ..This study demonstrates that artifacts in PK profiles of corticosteroids due to in vitro prodrug hydrolysis can be prevented by sample treatment with enzyme inhibitors...
  49. ncbi request reprint Effects of three courses of maternally administered dexamethasone at 0.7, 0.75, and 0.8 of gestation on prenatal and postnatal growth in sheep
    Michelle A Kutzler
    Oregon State University College of Veterinary Medicine, Corvallis, Oregon 97331, USA
    Pediatrics 113:313-9. 2004
    ..To evaluate the effects of repeated low doses of maternally administered dexamethasone (DM) on growth in sheep during fetal life and the first 2 years of postnatal life...
  50. ncbi request reprint Prostaglandin mediates premature delivery in pregnant sheep induced by estradiol at 121 days of gestational age
    Wen Xuan Wu
    Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma 73104, USA
    Endocrinology 145:1444-52. 2004
    ..Failure of placental delivery after estradiol treatment suggests that estradiol alone is insufficient to stimulate some of the key changes required to complete delivery at the stage of gestation studied...
  51. ncbi request reprint The effects of photoperiod on the switching of myometrial contractility patterns of pregnant baboons: relationship to surgery and parturition
    Ann M Bievenue
    Laboratory for Pregnancy and Newborn Research, Department of Biomedical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, New York 14853 6401, USA
    J Soc Gynecol Investig 9:27-31. 2002
    ..We compared the patterns recorded in baboons to those we have previously reported in pregnant rhesus monkeys to determine fundamental primate characteristics...