Gestation Age

38 Replies
Grandpa Viv - October 15

Rose, gestational age assumes you have 28 day cycles and ovulate on cycle day 14. Some women ovulate on cycle day 10, while a 32 day cycle would have you ovulate on cycle day 18. Sperm can last inside you for 5 days. If you are trying to figure paternity on sex a few days apart, a DNA test is the only way to go. 


trose12 - October 15

Not really concerned on the paternity. I had intercourse with PROTECTION 2 days after my period ended on the 27th of April. But the other one wasn't protected and was may5,6,7. So I'd assume I'm not worried on paternity as it would have been in may. But my question was more so if I am consistently showing 4 days earlier then my GA does that just simply mean I ovulated on cycle day 32 instead of 28?


Grandpa Viv - October 16

For sure. You more likely ovulated CD18 or May 8th and sex May 5,6,7 would have been on target. That moves your theoretical due date from Jan 26th to 30th.


trose12 - October 16

Thanks for your responses :) my due date at doctor said January 25th but she told me seems about January 29th instead. Does that still match?


Wmbd#1 - December 29

Grandpa viv- I don’t know when my last missed period was but I had an ultra sound at the end of June they said I was 7 weeks and a couple days and again on 9/12 they said I was 18weeks and 1 day my due date according to my dr is February 12th when would I have conceived? And is my ultra sound correct  seeming how I had such an early one or is it possible it’s off because now I’m measuring a week ahead but my dr is not changing the due date? 


Grandpa Viv - December 29

Wm, it looks like your last period started about May 6th and you got pregnant from sex the weekend of May 20th. Does that compute?


Wmbd#1 - December 30

Makes sense so would I have ovulated the 23rd? 


Grandpa Viv - December 31

I think a due date Feb 12 suggests ovulation May 19th regardless of cycle length. 



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