Birth Control Guide: Guide to Pills, IUDs & Side Effects

Choosing the right form of birth control involves weighing the advantages of IUDs against the pill, while managing side effects like nausea and spotting.

How Do Progesterone Pills Work?

Published Aug,14 2017 | By Lisa Thompson

Women have three main sex hormones--progesterone, estrogen and testosterone. Each of these hormones plays numerous roles in the body, and a healthy balance of the three is important for the body systems to function properly.

Lisa Thompson has been writing since 2008, when she began writing for the Prevention website. She is a holistic health practitioner, nationally certified massage therapist and National Council on Strength and Fitness-certified personal trainer. Thompson also holds certificates in nutrition and herbology from the Natural Healing Institute, as well as a Master of Education from California State University.