{"paper_id":"ed76b7a6-5e6e-4347-81d0-d04396d4d8f2","body_text":"Current Controversies in Gynecology\nInnovations in Contraception: A Review\n- ROBERT K. ZURAWIN\n- LESLIE AYENSU-COKER\nNew forms of contraception have been developed to improve the safety and tolerability of contraceptive methods without compromising efficacy. The newest developments in contraception including low and ultra-low doses of estrogen, less-androgenic 19 nor-testosterone progestins, and the nonsteroidal progestin drospirenone, the Quick Start method to improve compliance of oral contraceptives, and the contraceptive transdermal patch, the vaginal estrogen-progestin ring, the levonorgestrel intrauterine system, and the hysteroscopic transcervical sterilization techniques are discussed.\nCopyright © 2007 Lippincott Williams & Wilkins, Inc.","source_license":"CC0","license_restricted":false}