Reading An OB Wheel When Pregnancy Dates Do Not Match An obstetric wheel can indicate how far along a pregnancy is on a particular day, 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://blognews-web788.bloggadores.com/42506463/how-much-is-it-worth-for-pregnancy-ob-wheel