Discover how long sperm survives in a woman's body (up to 5 days in fertile cervical mucus), factors affecting sperm longevity like ovulation timing and pH levels, and practical implications for conception or birth control. Learn science-backed facts vs myths.

Learn how to accurately calculate conception date from due date using medical formulas. Essential guide for pregnancy tracking, genetic testing windows, and avoiding dating errors with expert OB-GYN insights.