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Can ultrasound be wrong ?

LMP was December 31, 2016 EDD- October 7th (conception January 15th)

1st ultrasound dated me 7w5d on February 27th EDD- October 11th (Conception January 19th)
2nd ultrasound dated me 24w0d on June 21st EDD- October 11th (Conception January 19th)
3rd ultrasound dated me 31w4d on August 4th EDD - October 2nd (Conception January 19th)

I slept with another partner on February 5th (a week after a missed my period) which would put my due date on October 28th
I started throwing up and getting morning sickness also a positive test 6 days after intercourse with the partner on February.

Could it be possible for the February guy's to be his baby,ovulated later then expected and the ultrasound was off 2 and a half to 3 weeks off ?
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134578 tn?1693250592
COMMUNITY LEADER
It doesn't sound like it.
Helpful - 0
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