These work by altering a woman's hormonal balance to prevent ovulation or make it difficult for sperm to reach the egg. Hormonal methods include birth control pills, patches, injections, vaginal rings, and hormonal IUDs.
These work by altering a woman's hormonal balance to prevent ovulation or make it difficult for sperm to reach the egg. Hormonal methods include birth control pills, patches, injections, vaginal rings, and hormonal IUDs.