I am 15w 6days due sept 27-28, lmp dec 21st, conceived jan 3-5ish
Take the Feb 20th ultrasound and count back 5 weeks and 4 days to account for the 2 weeks that is added to gestational age.
You concieved on or around Jan 6th
According to your due date you would have conceived on Jan 6th
Results:
First Day of Last Menstrual Period: December 23, 2014
Probable Date of Ovulation: January 6, 2015
Possible Dates of Conception: January 2 toJanuary 10, 2015
Due Date: September 29, 2015 (40 weeks)
http://www.baby2see.com/conception_calculator.html#ConceptionCalculator
My due date is sept. 15 and i got pregnant on the 12th of December...you should be good
Just count back how far a long you are
My due date is Sept. 28Th and my baby was conceived in January.