Seasonality and human in vitro fertilization outcome

References

• Ehrenkranz JRL. Seasonal breeding in humans: birth records of the Labrador Eskimo. Fertil Steril 1983;40:485–9.
   PubMed Web of Science ®Google Scholar
• Rojansky N, Brzezinski A, Schenker JG. Seasonality in human reproduction: an update. Hum Reprod 1992;7:735–45.
   PubMed Web of Science ®Google Scholar
• Boklage CE, Zincone LH, Kirby CF Jr. Annual and sub-annual rhythms in human conception rates: time-series analyses show annual and weekday but no monthly rhythms in daily counts for last normal menses. Hum Reprod 1992;7:899–905.
   Google Scholar
• Roenneberg T, Aschoff J. Annual rhythm of human reproduc-tion. I. Biology, sociology or both? J Biol Rhythm 1990;5:195–216.
   PubMed Web of Science ®Google Scholar
• Smits LJ, Van Poppel FWA, Verduin JA. Is fecundability associated with month of birth? An analysis of 19th and early 20th century family reconstruction data from The Nether-lands. Hum Reprod 1997;12:2572–8.
   PubMed Web of Science ®Google Scholar
• Elwood JM. Maternal and environmental factors affecting twin birth in Canadian cities. Br J Obstet Gynaecol 1978;85: 351–8.
   PubMedGoogle Scholar
• Sandahl B. A study of seasonal and secular trends in incidence of stillbirths and spontaneous abortions in Sweden. Acta Obstet Gynecol Scand 1974;53:251–7.
   PubMed Web of Science ®Google Scholar
• Coste J, Job-Spira N, Aublet-Cuvelier B. Incidence of ectopic pregnancy. First results of population based register in France. Hum Reprod 1994;9:742–5.
   Google Scholar
• Kallan JE, Enneking EA. Seasonal patterns of spontaneous abortion. J Biosoc Sci 1992;24:71–5.
   PubMed Web of Science ®Google Scholar
• Weerasinghe D, MacIntyre R. Seasonality of births and abortions in New South Wales, Australia. Med Sci Monit 2003;9:534–40.
   Google Scholar
• Tjoa WS, Smolensky MH, Hsi BP. Circannual rhythm in human sperm count revealed by serially independent sam-pling. Fertil Steril 1982;38:454–9.
   Google Scholar
• Levine RJ, Bordson BL, Mathew RM, Brown MH, Stanley JM, Star TB. Deterioration of semen quality during summer in New Orleans. Fertil Steril 1988;49:900–7.
   PubMed Web of Science ®Google Scholar
• Politoff L, Birkhauser M, Almendral A. New data confirming a circannual rhythm in spermatogenesis. Fertil Steril 1989;52:486–9.
   PubMed Web of Science ®Google Scholar
• Saint Pol P, Beuscart R, Leroy-Martin B, Hermand E, Jablonski W. Circannual rhythms of sperm parameters of fertile men. Fertil Steril 1989;51:1030–3.
   PubMed Web of Science ®Google Scholar
• Kauppila A, Kivela A, Pakarinen A, Vakkuri O. Inverse seasonal relationship between melatonin and ovarian activity in humans in a region with a strong seasonal contrast in luminosity. J Chin Endocrinol Metab 1987;65:823–8.
   PubMed Web of Science ®Google Scholar
• Wood C, McMaster R, Rennie G. Factors influencing pregnancy rates following in vitro1 fertilization and embryo transfer. Fertil Steril 1985;43: 245–50.
   Google Scholar
• Stolwijk AM, Reuvers MJCM, Hamilton CJCM. Seasonality in the results of in-vitro fertilization. Hum Reprod 1994;9:2300–5.
   Google Scholar
• Chamoun D, Udoff L, Scott L, Magder L, Adashi EY, McClamrock HD. A seasonal effect on pregnancy rates in an in vitro fertilization program. J Assist Reprod Genet 1995;12:585–9.
   PubMedGoogle Scholar
• Rojansky N, Benshushan A, Meirsdorf S, Lewin A, Laufer N, Safran A. Seasonal variability in fertilization and embryo quality rates in women undergoing IVF. Fertil Steril 2000;74:476–81.
   PubMed Web of Science ®Google Scholar
• Fleming C, Nice L, Hughes AO, Hull MG. Apparent lack of seasonal variation in implantation rates after in-vitro fertiliza-tion. Hum Reprod 1994;9:2164–6.
   PubMedGoogle Scholar
• Gindes L, Yoeli R, Orvieto R, Shelef M, Ben-Rafael Z, Bar-Hava I. Pregnancy rate fluctuations during routine work in assisted reproduction technology unit. Hum Reprod 2003;18:2485–8.
   Google Scholar
• World Health Organization. Laboratory manual for the examination of human semen—cervical mucus interaction. Cambridge: Cambridge University Press; 1992.
   Google Scholar
• Weigert M, Feichtinger W, Kuhn S, Kaali SG, Dorau P, Bauer P. Seasonal influences on in vitro fertilization and embryo transfer. J Assist Reprod Genet 2001;18: 598–602.
   PubMedGoogle Scholar
• Chan PJ, Hutz RJ, Dukelow WR. Nonhuman primate in vitro fertilization: seasonality, cumulus cells, cyclic nucleotides, ribonucleic acid, and viability assays. Fertil Steril 1982;38:609–15.
   Google Scholar
• Smith DM, Conaway CH, Kerber WT. Influences of season and age on maturation in vitro of rhesus monkey oocytes. J Reprod Fertil 1978;54:91–7.
   Google Scholar
• Spindler RE, Wildt DE. Circannual variations in intraovarian oocyte but not epididymal sperm quality on the domestic cat. Biol Reprod 1999;61:188–94.
   PubMedGoogle Scholar
• Freistedt P, Stojkovic M, Wolf E. Efficient in vitro production of cat embryos in modified synthetic oviduct fluid medium: effects of season and ovarian status. Biol Reprod 2001;65:9–13.
   Google Scholar
• Al-Katanani YM, Paula-Lopes FF, Hansen PJ. Effect of season and exposure to heat stress on oocyte competence in Holstein cows. J Dairy Sci 2002;85: 390–6.
   PubMed Web of Science ®Google Scholar
• Ossenbuhn S. Exogenous influences on human fertility: fluctuations in sperm parameters and results of in-vitro fertilization coincide with conceptions in the normal popula-tion. Hum Reprod 1998;13:2165–71.
   PubMedGoogle Scholar
• Paraskevaides EC, Pennington GW, Naik S. Seasonal distribution in conceptions achieved by artificial insemination by donor. Br Med J 1988;297:1309–10.
   Google Scholar
• Dunphy BC, Anderson-Sykes S, Brant R, Pattinson HA, Greene CA. Human embryo implantation following in-vitro fertilization: there is a seasonal variation? Hum Reprod 1995;10:1825–7.
   PubMedGoogle Scholar