1. Sunderam S, Kissin DM, Crawford SB, Folger SG, Jamieson DJ, Barfield WD. Assisted reproductive technology surveillance–United States, 2011. Morbidity and mortality weekly report Surveillance summaries (Washington, DC : 2002). 2014;63(10):1-28.
  2. CDC. FastStats- Infertility- Centers for Disease Control and Prevention [Internet] Atlanta, GA (USA)2016 [Available from: https://www.cdc.gov/nchs/fastats/infertility.htm.
  3. Viswanathan M, Treiman KA, Doto JK, Middleton JC, Coker-Schwimmer EJL, Nicholson WK. U.S. Preventive Services Task Force Evidence Syntheses, formerly Systematic Evidence Reviews. Folic Acid Supplementation: An Evidence Review for the US Preventive Services Task Force. Rockville (MD): Agency for Healthcare Research and Quality (US); 2017.
  4. Gaskins AJ, Chavarro JE. Diet and fertility: a review. American Journal of Obstetrics & Gynecology.
  5. Lea W. UK Chief Medical Officers’ Alcohol Guidelines Review UK2016 [Available from: https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/489795/summary.pdf.
  6. Committee RPI. Information for you: Alcohol and pregnancy UK2015 [updated 2015 Feb. Available from: https://www.rcog.org.uk/globalassets/documents/patients/patient-information-leaflets/pregnancy/pi-alcohol-and-pregnancy.pdf.
  7. Subclinical hypothyroidism in the infertile female population: a guideline. Fertility and sterility. 2015;104(3):545-53.
  8. Delpachitra P, Palmer K, Onwude J, Meagher S, Rombauts L, Waalwyk K, et al. Ultrasound Reference Chart Based on IVF Dates to Estimate Gestational Age at 6–9 weeks’ Gestation. ISRN Obstet Gynecol. 2012;2012.
  9. Tunon K, Eik-Nes SH, Grottum P, Von During V, Kahn JA. Gestational age in pregnancies conceived after in vitro fertilization: a comparison between age assessed from oocyte retrieval, crown-rump length and biparietal diameter. Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology. 2000;15(1):41-6.
  10. Gabbay-Benziv RD, A.; Bardin, R.; Meizner, I.; Fisch, B.; Ben-Haroush, A. Prediction of fetal loss by first-trimester crown-rump length in IVF pregnancies. Archives of gynecology and obstetrics. 2017;295(3):771-5.
  11. Talaulikar VS, Arulkumaran S. Reproductive outcomes after assisted conception. Obstetrical & gynecological survey. 2012;67(9):566-83.
  12. Grady R, Alavi N, Vale R, Khandwala M, McDonald SD. Elective single embryo transfer and perinatal outcomes: a systematic review and meta-analysis. Fertility and sterility. 2012;97(2):324-31.
  13. Wang JX, Norman RJ, Wilcox AJ. Incidence of spontaneous abortion among pregnancies produced by assisted reproductive technology. Human reproduction (Oxford, England). 2004;19(2):272-7.
  14. Rai R, Regan L. Recurrent miscarriage. Lancet. 2006;368(9535):601-11.
  15. Evaluation and treatment of recurrent pregnancy loss: a committee opinion. Fertility and sterility. 2012;98(5):1103-11.
  16. Ludwig M, Kaisi M, Bauer O, Diedrich K. Heterotopic pregnancy in a spontaneous cycle: do not forget about it! European journal of obstetrics, gynecology, and reproductive biology. 1999;87(1):91-3.
  17. Gjerris AC, Tabor A, Loft A, Christiansen M, Pinborg A. First trimester prenatal screening among women pregnant after IVF/ICSI. Human reproduction update. 2012;18(4):350-9.
  18. Luke B, Brown MB, Wantman E, Stern JE. Factors associated with monozygosity in assisted reproductive technology pregnancies and the risk of recurrence using linked cycles. Fertility and sterility. 2014;101(3):683-9.
  19. Knopman JM, Krey LC, Oh C, Lee J, McCaffrey C, Noyes N. What makes them split? Identifying risk factors that lead to monozygotic twins after in vitro fertilization. Fertility and sterility. 2014;102(1):82-9.
  20. Kanter JR, Boulet S, Kawwass JF, Jamieson DJ, Kissin D. Trends and correlates of monozygotic twinning after assisted reproductive technology. Obstetrics and gynecology. 2014;123 Suppl 1:6s.
  21. Martins WP, Rocha IA, Ferriani RA, Nastri CO. Assisted hatching of human embryos: a systematic review and meta-analysis of randomized controlled trials. Human reproduction update. 2011;17(4):438-53.
  22. Teoh J, Maheshwari A. Ongoing developments in ART and pregnancy outcome. In: Jayaprakasan K, Kean L, editors. Clinical management of pregnancies following ART. Cham: Springer Nature; 2017. p. 229-42.
  23. Williams C, Sutcliffe A, Sebire NJ. Congenital malformations after assisted reproduction: risks and implications for prenatal diagnosis and fetal medicine. Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology. 2010;35(3):255-9.
  24. Sutcliffe AG, Peters CJ, Bowdin S, Temple K, Reardon W, Wilson L, et al. Assisted reproductive therapies and imprinting disorders–a preliminary British survey. Human reproduction (Oxford, England). 2006;21(4):1009-11.
  25. Fedder J, Loft A, Parner ET, Rasmussen S, Pinborg A. Neonatal outcome and congenital malformations in children born after ICSI with testicular or epididymal sperm: a controlled national cohort study. Human reproduction (Oxford, England). 2013;28(1):230-40.
  26. Fedder J, Gabrielsen A, Humaidan P, Erb K, Ernst E, Loft A. Malformation rate and sex ratio in 412 children conceived with epididymal or testicular sperm. Human reproduction (Oxford, England). 2007;22(4):1080-5.
  27. Helmerhorst FM, Perquin DA, Donker D, Keirse MJ. Perinatal outcome of singletons and twins after assisted conception: a systematic review of controlled studies. BMJ (Clinical research ed). 2004;328(7434):261.
  28. Jackson RA, Gibson KA, Wu YW, Croughan MS. Perinatal outcomes in singletons following in vitro fertilization: a meta-analysis. Obstetrics and gynecology. 2004;103(3):551-63.
  29. Marino JL, Moore VM, Willson KJ, Rumbold A, Whitrow MJ, Giles LC, et al. Perinatal outcomes by mode of assisted conception and sub-fertility in an Australian data linkage cohort. PloS one. 2014;9(1):e80398.
  30. Gavriil P, Jauniaux E, Leroy F. Pathologic examination of placentas from singleton and twin pregnancies obtained after in vitro fertilization and embryo transfer. Pediatric pathology. 1993;13(4):453-62.
  31. Baulies S, Maiz N, Munoz A, Torrents M, Echevarria M, Serra B. Prenatal ultrasound diagnosis of vasa praevia and analysis of risk factors. Prenatal diagnosis. 2007;27(7):595-9.
  32. Aiken C, Brockelsby J. Fetal complications during pregnancy. In: Jayaprakasan K, Kean L, editors. Clinical management of pregnancies following ART. Cham: Springer Nature; 2017.
  33. Fisher JR, Hammarberg K, Baker GH. Antenatal mood and fetal attachment after assisted conception. Fertility and sterility. 2008;89(5):1103-12.