FAQs for expecting parents

  1. Norton et al. N Engl J Med. 2015 Apr 23;372(17):1589-97
  2. ACOG Practice Bulletin 77. ACOG Committee on Practice Bulletins. Obstet Gynecol. 2007 Jan;109(1):217-27
  3. Sparks et al. Am J Obstet Gynecol. 2012 Apr;206(4):319.e1-9.
  4. California Prenatal Screening Program 2009