This fact sheet provides basic information on the safety and effectiveness of the progesterone vaginal contraceptive ring. It works as a contraceptive by reinforcing the inhibitory effect of breastfeeding on ovulation and extending postpartum amenorrhea. The PVR is an effective and safe contraceptive for mothers, their babies, and their sexual partners. This method vastly expands the range of contraceptive choices available for nursing women.
"Progesterone vaginal ring: Safe for mothers and babies," fact sheet. New York: Population Council, 2015.
The Progesterone Contraceptive Vaginal Ring: Expanding Contraceptive Options in Africa; Delivering Contraceptive Vaginal Rings