Pregnancy Announcement Risk-by-Date Calculator

Compare estimated miscarriage risk now with the risk at a future gestational week to help choose a pregnancy announcement date.

Methodology

This uses week-and-day planning estimates based on population patterns, with age and confirmed cardiac activity included. The daily values provide planning context informed by published population patterns.

• Systematic review of background miscarriage rates
• Maternal age and fetal loss study
• Miscarriage risk after a normal first-trimester visit