(Closed) 30 weeks or 32 weeks

posted 3 years ago in Pregnancy
Post # 2
Member
899 posts
Busy bee
  • Wedding: April 2015

yolonda :  go by what the doctor has said and the earlier due date. It might be that you ovulated early and so that’s pushed your dates up. It’s not really about the first day of your cycle once you get to having scans as that is just a rough guess, it’s when you ovulated plus two weeks. 

They use a general measurement of a 28 day cycle and ovulation at day 14. That is the standard used for calculations of due date until they do a scan and can be more specific. If you ovulate earlier then day 14 (some people ovulated as early as the day after the last day of their period) or later then those dates will be wrong. An ultra sound is much more specific about dates then your first day of last period. 

Post # 3
Member
9823 posts
Buzzing Beekeeper
  • Wedding: September 2013

I’m sort of confused by your post but going by last menstrual period to date a pregnancy can sometimes be wrong.  As PP said, the “last menstrual period” method assumes you ovulate on day 14.  If you ovulate earlier or later, your due date is actually earlier or later.  If your ultrasound was was in the first trimester or early in the second trimester then it is most likely more accurate.  If so, October 12 is probably more accurate.  Only later ultrasounds (20 weeks+) have more wiggle room and aren’t as reliable indicators of due date. 

Post # 4
Member
2021 posts
Buzzing bee
  • Wedding: September 2013

Due date is based off first ultrasound

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