Get the Obstetrician's guide to pregnancy directly on your mobile phone! Written by a Stanford-trained U.S. Board-certified obstetrician-gynecologist who wrote the Handbook on Obstetrics, Gynecology and Infertility and specialists in high-risk pregnancy and infertility. Hundreds of OB-GYN doctors recommend Pregnancy Companion App, used by over 250K+ pregnant moms. Features include information about drug safety during pregnancy, doctor appointment tracker, and ultrasound images. Super easy to use and navigate!