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Due date confusion

Ok....this is my second pregnancy. I have a 6 month old baby boy & yes I'm prego again! The first day of my last period was November 23, 2009. Before I went to the doc I figured up my due date by how many weeks from the first day of my last period. That's the way they did it with my 1st pregnancy. August 30th should be my due date according to my period. Well, they told me my due date was Sept. 5th. Where did they get that from??? I haven't had an ultrasound yet. I go in 3 weeks for one.
4 Responses
492921 tn?1321289896
Hmm my LMP is Nov 25th and my due date is Sept 2nd so I would think yours would be before mine if your LMP is before mine. I'm not sure how they figure it out. One clinic said my due date was Sept 8th and my dr says Sept 2nd and all the due date calculators say the 2nd also.
Avatar universal
my LMP was nove 25, and the doctor said that my due date is sept 1st i think that yours should be towards the end of august
202436 tn?1326474333
Do you have normal 28 day cycles ?  If not and your doctor is aware of that, s/he may be adjusting for that.  I can think of no other reason why they would have your due date as Sept 5th.  My LMP was Nov 29th and as of right now they have my due date at Sept 5th.  Mine is probably going to be revised when I get my first scan tho becuase my cycles are longer and I usually ovulate later in my cycle than the average woman, so I believe I'm a few days behind the due date calculators. We will see on Feb 9th.  The best thing to do is wait until you have your ultrasound.  that can give you a more accurate due date.
Avatar universal
Thank you all for your comments! I do have a regular cycle & my doctor does know that, so I don't know where she got my due date from. She might of miscalculated it somehow. I will find out by ultrasound Feb 15th!
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