Understanding An OB Wheel When Pregnancy Dates Differ An OB wheel can show 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 underlying calculation is relatively simple. The https://technews-updatelab296.blogscribble.com/43569468/why-you-need-to-know-about-o-wheel-calculator