due date mix up?

nicolerae32 · January 2012

my last period was november 13, so if i went off of my last period i would be 11 weeks today. I have a regular cycle and what not, due to being on birth control (or i should say, i was). i went and had an ultrasound done, because my november period was weird. when i got the ultrasound (i thought i was 8 weeks) she told me six weeks. it didn't make sense, cuz basically she was saying at 6 weeks i ovulated 4 days before my period, and i had pregnancy symptoms before implantation? Is it possible to ovulate 4 days before my period? If i did ovulate then, no way i would of missed my december period then, which i did. I am saying I think i am actually 11 weeks, not 9. What do you ladies think?

MnNsAngel · January 2012

nicolerae32:
my last period was november 13, so if i went off of my last period i would be 11 weeks today. I have a regular cycle and what not, due to being on birth control (or i should say, i was). i went and had an ultrasound done, because my november period was weird. when i got the ultrasound (i thought i was 8 weeks) she told me six weeks. it didn't make sense, cuz basically she was saying at 6 weeks i ovulated 4 days before my period, and i had pregnancy symptoms before implantation? Is it possible to ovulate 4 days before my period? If i did ovulate then, no way i would of missed my december period then, which i did. I am saying I think i am actually 11 weeks, not 9. What do you ladies think?

ugh its so confusing to me too. at my first u/s tech said i wasnt 11, i was 9 but im sure i have been really good at writing down my period dates etc. maybe at another appt based on certain stats ur doc may change his mind? good luck.

kelnyc · January 2012

Do you mean 4 days before you expected to get your December period? If so, then yes, it is entirely possible that you Oed later than usual and your December period would have been late had you not conceived. The measurements are more accurate than going by LMP. If you were actually 11 weeks and measuring at 6, that would be very bad news, and I just don't think that's the case.

JennDave+1 · February 2012

Believe me it happens. With my first (and I have clock work periods) my ultrasound measured me 3 weeks behind. LMP was Aug 31 and I did not get a October 3rd period. Tested 3 times over 3 weeks and finally got a positive. My due date which assuming would have been around June 5th was changed to June 26th. He was born on the 27th.

MuddyInsignia · February 2012

ditto what JennDave+1 said. For my current pregnancy, I had been having very regular periods. My LMP was November 19th. When I missed my period, I tested and it came out negative. I continued testing with negative results for 2 weeks. Finally I waited one more week and tested and it came out positive. At my ultrasound they confirmed the baby was due 3 weeks later than the EDD based solely on LMP, in other words, the baby was the size of a 6 week pregnancy, not a 9 week pregnancy. Sometimes, we randomly ovulate late.... I had ben pretty regular as well, so I don't know why, but it happens.

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