4 Periods a Year: Is That Safe?
The commercial for Seasonale, a birth control pill, raves about getting only 4 periods a year. So what's the deal? Is that safe? Birth control pills can either be monophasic, where you get the same amount of hormones each day, or triphasic, where you get a different amount of hormones over 3 weeks. When you take a monophasic birth control pill, each 4 week supply contains 3 weeks of hormones Read more


