• Go to the "More" menu in the bottom bar
  • Select “Change due date (weeks pregnant)" (in the "ACCOUNT" section)
  • Edit your estimated due date, last menstrual period, or date of conception and tap "OK", or edit your weeks pregnant and select "SET"
  • Select "UPDATE MY DUE DATE"
  • Tap the check mark in the top right corner
All four fields in the due date calculator (estimated due date, weeks pregnant, last menstrual period, and date of conception) are connected and take into account 38 weeks of gestation and approximately 2 weeks from your last period until ovulation.