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AAFP. 2011. Your baby’s development: The first trimester. American Academy of Family Physicians. http://familydoctor.org/familydoctor/en/pregnancy-newborns/fetal-health/your-babys-development-the-first-trimester.htmlOpens a new window [Accessed September 2016]
ACOG. 2015. FAQ156. Prenatal development: How your baby grows during pregnancy. American College of Obstetricians and Gynecologists. http://www.acog.org/Patients/FAQs/Prenatal-Development-How-Your-Baby-Grows-During-Pregnancy#oneOpens a new window [Accessed September 2016]
Mayo Clinic. 2014. Fetal development: The 1st trimester. http://www.mayoclinic.org/healthy-lifestyle/pregnancy-week-by-week/in-depth/prenatal-care/art-20045302Opens a new window [Accessed September 2016]
MedlinePlus (ADAM). 2015. Fetal development. https://www.nlm.nih.gov/medlineplus/ency/article/002398.htmOpens a new window [Accessed September 2016]
OWH. 2010. Stages of pregnancy. U.S. Office on Women’s Health. http://www.womenshealth.gov/pregnancy/you-are-pregnant/stages-of-pregnancy.htmlOpens a new window [Accessed September 2016]
