Typical use effectiveness of Natural Cycles: postmarket

Do fertility tracking applications offer women useful information about their fertile window? - ScienceDirect

PDF) Typical use effectiveness of Natural Cycles: postmarket surveillance study investigating the impact of previous contraceptive choice on the risk of unintended pregnancy

The next generation of evidence-based medicine

Behavioral Methods of Contraception

FDA approved a birth control app. Here's what OB-GYNs want you to know.

Full article: mHealth Interventions for Contraceptive Behavior Change in the United States: A Systematic Review

Current contraceptive use among married and never-married women aged

Natural Cycles: Natural Birth Control

Not Your Grandma's Family Planning - One Body FertilityCare

Natural Cycles: Natural Birth Control