The rhythm or calendar method is a natural approach to birth control. It requires a person to monitor their menstrual cycle and signals from the body to estimate when sex is least likely to result in ...

Background: More than 30% of the pregnancies in women aged 35 and over are unintended. This paper compares perceptions about contraceptive methods and use among women with and without an unintended ...

As more and more women become concerned about the side effects of the contraceptive pill, natural methods of cycle tracking have become more popular. Some even claim that cycle tracking and fertility ...