After my second scan, she changed the due date to March 4. I thought that was kind of weird, but I was pregnant for the first time and figured this was just something that happened. But during the next visit, she changed it again—to March 6.
At this point, I started to get annoyed. What was the point of a due date if it seemed like your doctor was just picking a random day on the calendar and claiming this was it?
Was it normal for the due date to change? In the end, the joke was on all of us: My son ended up coming a few weeks early, on February In this article: How are due dates calculated? Why can due dates change?
What does it mean if your due date changes? You may have even considered the perfect start date for your nanny. Here are 4 major reasons why they do, and what these shifts can mean for your pregnancy. For women with irregular cycles , this can be tricky. An irregular period is when your cycle lasts for more than 28 days. So if your cycle is 33 days long, then ovulation most likely happened on day She writes about health and wellness, parenting, style, news and more.
IE 11 is not supported. For an optimal experience visit our site on another browser. Share this —. Follow today. More Brands. By Rheana Murray. However, once you have a 12 week dating scan then the date is determined from that scan onwards.
So even if you know the exact date of intercourse that month or the date of embryo transfer if IVF this still needs to be adjusted. If the CRL is used then this can predict the date of delivery to within 5 days before or after.
In addition, using the dates from ultrasound significantly reduces the rates of induction of labour for prolonged pregnancy. Turn on your JavaScript to view content.
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