Later Childbearing: References

ACOG Committee Opinion 545: Noninvasive Prenatal Testing for Fetal Aneuploidy, December 2012.

ACOG Practice Bulletin: Invasive Prenatal Testing for Aneuploidy. Number 88, October 2007, Reaffirmed 2009.

ACOG Practice Bulletin: Screening for Fetal Chromosomal Abnormalities. Number 77, January 2007.

Cunningham, F., K. Leveno, S. Bloom, J. Hauth, et al. Williams Obstetrics. 23nd ed. The Mcgraw Hill Companies, Inc. 2008. Accessed December 26, 2010 from http://www.accessmedicine.com.

Gibbs, R. B. Karlan, A. Haney, I. Nygaard. Danforth’s Obstetrics and Gynecology. 9th ed. Lippincott Williams and Wilkins, 2008. Accessed on February 1, 2009 from http://www.ovidsp.tx.ovid.com.

Lockwood, C. Guidelines for Perinatal Care. 7th ed. AAP and ACOG. 2012.

Ostrer,H. et al. Basic principles of genetic counseling for the obstetrical provider. Accessed March 12, 2013 from http://www.upToDate.com.