Cervical Ripening

References for Cervical Ripening:

1. Methods for Cervical Ripening and Induction of Labor - (http://www.aafp.org/afp/2003/0515/p2123.html)
2. Labor induction - (http://www.mayoclinic.org/tests-procedures/labor-induction/basics/what-you-can-expect/prc-20019032)
3. Methods for Cervical Ripening and Induction of Labor; Am Fam Physician, 2003 May 15;67(10):2123-8.