Pregnancy--Tests to See If You Are Pregnant: Teen Version: References

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Katz V., G. Lentz, R. Lobo, D. Gershenson. Comprehensive Gynecology. 5th ed. Mosby Elsevier, 2007. Accessed on February 1, 2009 form http://www.mdconsult.com.

Schorge, J., J. Schaeffer, L. Hoalvorson, B. Hoffmen, K. Bradshaw, F. Cunningham. Williams Gynecology. 1st ed. The Mcgraw Hill Companies, Inc. 2008. Accessed February 1, 2009 from http://www.accessmedicine.com.

Cunningham, F., K. Leveno, S. Bloom, J. Hauth, L. Gilstrap, K. Wenstrom. Williams Obstetrics. 22nd ed. The Mcgraw Hill Companies, Inc. 2008. Accessed February 1, 2009 from http://www.accessmedicine.com.