Study Publications
Early Pregnancy Study (EPS)
The Early Pregnancy Study generated data that the Epidemiology Branch and its collaborators published in peer-reviewed journal articles. To find out more about the study, please click the following links to journal articles and abstracts.
2011
- Jukic AM, Weinberg CR, Baird DD, Wilcox AJ. The association of maternal factors with delayed implantation and the initial rise of urinary human chorionic gonadotrophin. Hum Reprod. 2011 26(4):920-6. [Abstract (http://www.ncbi.nlm.nih.gov/pubmed/21292636) ]
2008
- Nepomnaschy PA, Weinberg CR, Wilcox AJ, Baird DD. Urinary hCG patterns during the week following implantation. Hum Reprod 2008;23:271-7. Epub 2008 Dec 14. [Abstract (http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=18083748) ]
2007
- Jukic AM, Weinberg CR, Baird DD, Wilcox AJ. Lifestyle and reproductive factors associated with follicular phase length. J Womens Health (Larchmt). 2007;16:1340-7. [Abstract (http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=18001191) ]
2006
- Promislow JH, Baird DD, Wilcox AJ, Weinberg CR. Bleeding following pregnancy loss before 6 weeks' gestation. Hum Reprod 2007;22:853-7. Epub 2006 Oct 27. [Abstract (http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=17071824) ]
2005
- McChesney R, Wilcox AJ, O'Connor JF, Weinberg CR, Baird DD, Schlatterer JP, McConnaughey DR, Birken S, Canfield RE. Intact hCG, free hCG beta subunit and hCG beta core fragment: Longitudinal patterns during early pregnancy. Hum Reprod 20:928-35; 2005. [Abstract (http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=15665026) ]
2004
- Wilcox AJ, Baird DD, Dunson DB, McConnaughey DR, Kesner JS, Weinberg CR. On the frequency of intercourse around ovulation: evidence for biological influences. Hum Reprod 19:1539-43; 2004. [Abstract (http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=15190016) ] [Full Text (http://humrep.oxfordjournals.org/cgi/content/full/19/7/1539) ] [download the PDF (http://humrep.oxfordjournals.org/cgi/reprint/19/7/1539.pdf) ]
2003
- Baird DD, Weinberg CR, McConnaughey DR, Wilcox AJ. Rescue of the corpus luteum in human pregnancy. Biol Reprod 68:448-56; 2003. [Abstract (http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=12533407) ]
- Harville EW, Wilcox AJ, Baird DD, Weinberg CR. Vaginal bleeding in very early pregnancy. Hum Reprod 18:1944-7; 2003. [Abstract (http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=12923154) ]
2002
- Sayle AE, Wilcox AJ, Weinberg CR, Baird DD. A prospective study of the onset of symptoms of pregnancy. J Clin Epidemiol 55:676-80; 2002. [Abstract (http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=12160915) ]
2001
- Dunson DB, Weinberg CR, Baird DD, Kesner JS, Wilcox AJ. Assessing human fertility using several markers of ovulation. Statist Med 20:965-78, 2001. [Abstract (http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=11252016) ]
- Dunson DB, Weinberg CR, Wilcox AJ. Modeling multiple ovulation, fertilization, and embryo loss in human fertility studies. Biostat 2:131-45; 2001. [Abstract (http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=11252016) ]
- Wilcox AJ, Baird DD, Dunson D, McChesney R, Weinberg CR. The natural limits of pregnancy testing in relation to the expected menstrual period. JAMA 286:1759-61; 2001. [Abstract (http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=11594902) ]
- Wilcox AJ, Dunson DB, Weinberg CR, Trussell J, Baird DD. Likelihood of conception with a single act of intercourse: providing benchmark rates for assessment of post-coital contraceptives. Contraception 63:211-5, 2001. [Abstract (http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=11376648) ]
2000
- Harlow SD, Baird DD, Weinberg CR, Wilcox AJ: Urinary estrogen patterns in long follicular phases. Hum Reprod 15:11-6, 2000. [Abstract (http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=10611180&dopt=Abstract) ]
- Wilcox AJ, Dunson D, Baird DD: The timing of the fertile window in the menstrual cycle: day-specific estimates from a prospective study. Brit Med J 321:1259-62; 2000. [Abstract (http://www.ncbi.nlm.nih.gov/pubmed/11082086?dopt=Abstract) ] [Full Text (http://www.ncbi.nlm.nih.gov/pmc/articles/PMC27529/?tool=pubmed) ] [download the PDF (http://www.bmj.com/cgi/reprint/321/7271/1259.pdf) ]
1999
- Baird DD, Weinberg CR, Zhou H, Kamel F, McConnaughey DR, Kesner JS, Wilcox AJ: Preimplantation urinary hormone profiles and the probability of conception in healthy women. Fertil Steril 71: 40-49, 1999. [Abstract (http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=9935114&dopt=Abstract) ]
- Dunson DB, Baird DD, Wilcox AJ, Weinberg CR: Day-specific probabilities of clinical pregnancy based on two studies with imperfect measures of ovulation. Hum Reprod 14:1835-1839, 1999. [Abstract (http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=10402400&dopt=Abstract) ]
- Wilcox AJ, Baird DD, Weinberg CR: Time of implantation of the conceptus and loss of pregnancy. New Engl J Med 340:1796-9, 1999. [Abstract (http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=10362823&dopt=Abstract) ]
1998
- Kesner JS, Knecht EA, Krieg EF, Wilcox AJ, OíConnor JF: Detecting preovulatory luteinizing hormone surges in urine. Hum Reprod 13: 15-21; 1998. [Abstract (http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=9512221&dopt=Abstract) ]
- Weinberg CR, Wilcox AJ, Baird DD, Gladen B: The probability of conception as related to the timing of intercourse around ovulation. Genus LIV 3-4: 129-142, 1998.
- Wilcox AJ, Weinberg CR, Baird DD: Post-ovulatory ageing of the human oocyte and embryo failure. Hum Reprod 13: 394-97; 1998. [Abstract (http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=9557845&dopt=Abstract) ]
1997
- Baird DD, Wilcox AJ, Weinberg CR, Kamel F, McConnaughey DR, Musey PI, Collins DC: Preimplantation hormonal differences between the conception and nonconception menstrual cycles of 32 normal women. Hum Reprod 12: 2607-13; 1997. [Abstract (http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=9455822&dopt=Abstract) ]
1996
- Zhou H, Weinberg CR, Wilcox AJ, Baird DD: A random effects model for cycle viability in fertility studies. JASA 91: 1413-1422, 1996.
1995
- Baird DD, McConnaughey DR, Weinberg CR, Musey PI, Collins DC, Kesner, JS, Knecht EA, Wilcox AJ: Application of a method for estimating day of ovulation using urinary estrogen and progesterone metabolites. Epidemiol 6: 547-50; 1995. [Abstract (http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=8562634&dopt=Abstract) ]
- Weinberg CR, Wilcox AJ: A model for estimating the potency and survival of human gametes in vivo. Biometrics 51:405-12; 1995. [Abstract (http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=7662833&dopt=Abstract) ]
- Weinberg CR, Wilcox AJ, Baird DD: The sex of the baby may be related to the length of the follicular phase in the conception cycle. Hum Reprod 10:304-7; 1995. [Abstract (http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=7769053&dopt=Abstract) ]
- Wilcox AJ: Molecular epidemiology: collision of two cultures. Epidemiol 6: 561-2, 1995.
1994
- Weinberg CR, Gladen BC, Wilcox AJ: Models relating the timing of intercourse to the probability of conception and the sex of the baby. Biometrics 50:358-67, 1994. [Abstract (http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=8068836&dopt=Abstract) ]
- Weinberg CR, Moledor E, Baird DD, Wilcox AJ: Is there a seasonal pattern in early pregnancy loss? Epidemiol 5:484-89; 1994. [Abstract (http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=7986861&dopt=Abstract) ]
1993
- Wilcox AJ, Weinberg CR, Baird DD, Canfield RE: Endocrine detection of conception and early foetal loss. In Gray RH (ed.): Biomedical and Demographic Determinants of Reproduction. Clarendon Press, Oxford, 1993, 316-28.
1992
- Weinberg CR, Hertz-Picciotto I, Baird DD, Wilcox AJ: Efficiency and bias in studies of early pregnancy loss. Epidemiol 3:17-22, 1992. [Abstract (http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=1554805&dopt=Abstract) ]
1991
- Baird DD, Weinberg CR, Wilcox AJ, McConnaughey DR, Musey PI: Using the ratio of urinary estrogen and progesterone metabolites to estimate day of ovulation. Statist Med 10:255-66, 1991. [Abstract (http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=2052803&dopt=Abstract) ]
- Baird DD, Weinberg CR, Wilcox AJ, McConnaughey DR, Musey PI, Collins DC: Hormonal profiles of natural conception cycles ending in early, unrecognized pregnancy loss. J Clin Endocrinol Metab 72:793-800, 1991. [Abstract (http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=2005203&dopt=Abstract) ]
- Wilcox AJ: Early pregnancy. In Kiely M (ed.): Reproductive and Perinatal Epidemiology, CRC Press, 1991, 63-75.
1990
- Wilcox AJ, Weinberg CR, Baird DD: Risk factors for early pregnancy loss. Epidemiol 1:382-85, 1990. [Abstract (http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=2078614&dopt=Abstract) ]
1989
- Canfield RE, O'Connor JF, Chen Y, Krichevsky A, Birken S, Wilcox AJ: The clinical utility of the measurement of urinary hCG and its fragments. In Bellet D, Bidart J-M (eds.): Structure-Function Relationship of Gonadotropins. Serono Symposia Publications, Raven Press, NY, 1989, 297-311.
- Hornsby PP, Wilcox AJ: Validity of questionnaire information on frequency of coitus. Am J Epidemiol 130:94-99, 1989. [Abstract (http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=2787113&dopt=Abstract) ]
- Weinberg CR, Wilcox AJ, Baird DD: Reduced fecundability in women with prenatal exposure to cigarette smoking. Am J Epidemiol 129:1072-78, 1989. [Abstract (http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=2705427&dopt=Abstract) ]
- Wilcox AJ, Baird DD, Weinberg CR: Do women with childhood exposure to cigarette smoking have increased fecundability? Am J Epidemiol 129:1079-83, 1989. [Abstract (http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=2705428&dopt=Abstract) ]
1988
- Canfield RE, O'Connor JF, Birken S, Krichevsky A, Wilcox AJ, Lustbader J, Moyle W: HCG immunochemistry as related to clinical applications. In Mochizuki M, Hussa R (eds.): Placental Protein Hormones. Elsevier Science Publishers, 1988, 55-61.
- Canfield RE, O'Connor JF, Wilcox AJ: Measuring human chorionic gonadotropin for detection of early pregnancy loss. Reprod Toxicol 2:199-203, 1988. [Abstract (http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=2980346&dopt=Abstract) ]
- Wilcox AJ, Weinberg CR, Baird DD: Caffeinated beverages and decreased fertility. Lancet ii:1453-57, 1988.
- Wilcox AJ, Weinberg CR, O'Connor JF, Baird DD, Schlatterer JP, Canfield RE, Armstrong EG, Nisula BC: Incidence of early loss of pregnancy. New Engl J Med 319:189-94, 1988. [Abstract (http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=3393170&dopt=Abstract) ]
1987
- Canfield RE, O'Connor JF, Birken S, Krichevsky A, Wilcox AJ: Development of an assay for a biomarker of pregnancy and early fetal loss. Environ Health Perspect 74:57-66, 1987. [Abstract (http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=3319556&dopt=Abstract) ]
- Wilcox AJ, Baird DD, Weinberg CR, Armstrong EG, Musey PI, Wehmann RE, Canfield RE: The use of biochemical assays in epidemiologic studies of reproduction. Environ Health Perspect 75:29-35, 1987. [Abstract (http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=3691439&dopt=Abstract) ]
- Wilcox AJ, Weinberg CR, Armstrong EG, Canfield RE: Urinary human chorionic gonadotropin among intrauterine device users: detection with a highly specific and sensitive assay. Fertil Steril 47:265-69, 1987. [Abstract (http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=3817172&dopt=Abstract) ]
1985
- Wilcox AJ, Weinberg CR, Wehmann RE, Armstrong EG, Canfield RE, Nisula BC: Measuring early pregnancy loss: laboratory and field methods. Fertil Steril 44:366-74, 1985. [Abstract (http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=4029425&dopt=Abstract) ]
