Understanding An OB Wheel When Pregnancy Dates Differ An OB wheel can show the gestational age of a pregnancy on a chosen date, when it reaches 40 weeks and the expected gestational age at an upcoming appointment. The mathematical process is uncomplicated. The greater challenge involves determining which date the https://reportportal-educationpress428.glifeblog.com/42274990/how-much-do-you-know-about-obg-wheel