1. Centers for Disease Control and Prevention: Assisted reproductive technology surveillance. Surveillance summaries, 2006. 12 June 2009. MMWR 2009, 58, SS–S5 (2009) http://www.cdc.gov/mmwr/pdf/ss/ss5805.pdf . Retrieved 20 Jan 2014
2. Center for Disease Control and Prevention: Reproductive health: infertility FAQs. http://www.cdc.gov/reproductivehealth/Infertility/Index.htm . Retrieved 20 Jan 2014
3. van der Berch, K.: Courts’ struggle with infertility: the impact of hall v. Nalco on infertility-related employment discrimination. Univ. Colo. Law Rev. 81(2), 545–578 (2010)
4. Witcraft v Sundstrand Health and Dis. Gr. 420 N.W.2d 785 (IA: Supreme Court 1988) available at: http://scholar.google.com/scholar_case?case=2530105393114779270&q=Witcraft+v.+Sundstrand+Health+and+Disability+Group+Benefit+Plan+(1988)&hl=en&as_sdt=800006
5. Ralston v Connecticut General Life Ins. Co. 617 So.2d 1379 (LA: Court of Appeals, 3rd Circuit 1993) available at: http://scholar.google.com/scholar_case?case=4500563994473517280&q=Ralston+v.+Connecticut+General+Life+Insurance+Company+(1993)&hl=en&as_sdt=800006