Basically 4 types: Monophasic - same estrogen level all month. Biphasic - 2 different levels and triphasic - 3 different levels. Also Progesterone only pills.
Answered 6/30/2014
5.5k views
A doctor has provided 1 answer
A doctor has provided 1 answer
11 doctors weighed in across 4 answers
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question