comment 🔮 to learn FAM 🔍 A period tracking app uses an algorithm based only on past cycles. But your body is not a math equation stress, travel, illness, and hormonal shifts all change when you ovulate. That means the “predicted fertile window” is often wrong. ❌ The pull-out method? Still unreliable. Sperm can live in pre-ejaculate, and with fertile cervical fluid present, they can survive up to 5 days waiting for ovulation. 🌡 Fertility Awareness Method is different. It teaches you to track b