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My lmp was 1/28 and i had sex on 2/6 with my boyfriend and cheated on him wit ex boyfriend 2/13 I am now pregnant and dont quite know who its by. Can someone please help me out with this issue????
Hi Marie,

The only way to know for sure is going to be a DNA test.

A week apart is too close to say definitively.  You don't get pregnant instantly, it can take several days.  Sperm can also live up to about 5 days.

No ultrasound or hormone test can pinpoint the date you conceived that close.  DNA is the only reliable way.

Good luck.
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