Understanding An OB Wheel When Pregnancy Dates Differ An obstetric wheel can indicate how many weeks and days pregnant someone is on a specific date, the date on which the pregnancy reaches 40 weeks and what the gestational age will be at a future appointment. The mathematical process is uncomplicated. https://insightpoint-fast900.xzblogs.com/84185841/why-pregnancy-wheel-is-a-trending-topic-now