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Time to test, want to test Guy B first

. I do want to take a paternity test just for reassurance. I rather test with the guy I MOST likely feel is dad .

My LMP was March 26/27. I had protected sex 4/1 night but really was 4/2 since it was after midnight. We did use protection. But I know he finished inside the condom in me. I don’t recall it breaking , I mean if it did we would have known? Or felt it? Plus it lasted like 5 minutes or so ( GUY A )

4/7, 4/10 I had unprotected sex , he finished inside me. And this is who I’m thinking Dad is. ( GUY B )

My first ultrasound date said my due date is 12/27 instead of 12/31 like my apps say. But everyone is saying Guy B is highly likely Dad especially since we did it around ovulation ( cycle day 13-14) . Is this who I should test first? Because he’s most likely
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134578 tn?1693250592
COMMUNITY LEADER
Hi, I assume you are not going to do paternity testing until after the baby is born, since the due date is getting so close now? If so, are you going to do the kind of test admissible in court to prove paternity, or are you just going to do a drugstore test that they sell for people to satisfy their curiosity? I ask because you really should be getting the kind that is able to satisfy the court.

Here's the thing, In your description of the situation, you don't give enough information to be able to suggest to you which guy is the dad. For example, you said your first ultrasound gave you a due date of December 27, but don't say how early in the pregnancy the ultrasound was. (It makes a difference. The later in the pregnancy the ultrasound was, the more inaccurate it can be about the due date.) And, you also say that the second guy is more likely the dad because you had sex around cycle day 13-14, but don't say how regular your menstrual months are. (Ovulation doesn't come automatically two weeks after the first day of your last period, it comes two weeks before the first day of your *next* period. If your menstrual months vary in length, ovulation can come earlier or later than day 13/14.)

In answer to your question about condom use, if the condom had broken, you wouldn't have felt it because body-temperature liquids are not noticeable in a vagina, but you or especially he would have seen it. That said, unfortunately condoms are only about 80% effective in use overall, for various reasons including not being put on early enough, and getting pre-ejaculate on the outside.

In general, if someone has sex unprotected at the beginning of her fertile window and at the end of her fertile window, the first one will have the edge. But since the sex at the beginning of your fertile window was protected (or at least 80% protected), and since there was lots more sex at the end of your fertile window and it was not protected, it probably means that the second guy has the edge. This would be especially true if your periods come every 28 days, month in month out, and never vary.

But, especially if you aren't married (and your child therefore needs legal proof of paternity to be in his records), you should do DNA testing with both guys. And use the kind of test that is admissible in court. If you want to start with your preferred guy and then only test with the other if the first guy comes up negative, that would be a way to save money (given that the first guy comes up as the dad).
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My first appointment was 5/5/22, at that time I thought I was about 5w 5days, but the ultrasound said 6w 2days. She couldn’t see on the abdominal u/s so we did a vaginal u/s and was able to see something & heartbeat. My cycles usually is 28-30 days. February lasted 30-31 days so my March cycle started 4-5days later than usual. So instead of March 22 it came March 26/27. My first dry day was around April 1-2.  Around the time I was with guy A , protected. .

Guy B , april 7&9 (10th if we note it was early am hour) . Unprotected, did not pull out. On April 7 morning, I did wake up with a high sex drive . So I assumed that was around the time I was ovulating. It’s just with a Dec 27 due date , it’s saying I conceived April 5. So I just guessed baby is just a bit bigger .
Also when I plug my dates in, it changes my cycle start date to March 22. & I know I didn’t have my cycle then
A baby can be "just a bit bigger" than average by the time the pregnancy is in your 12th week or more, but at 6 weeks GA (which is only 4 weeks since conception), there wouldn't be a lot of time for the embryo to diverge from the average yet even if the baby was going to be bigger than average in the end. Even though you want the second guy to be the dad, unfortunately your ultrasound (in your early 6th week) doesn't help get you there, unless it was just wrong. We're talking about two dates of sex within a week of each other, so it is pretty hard to split hairs with ultrasound measurements. If I were in your shoes months ago, I'd consider getting a prenatal DNA test just so I wouldn't have to wait and wonder, but now it sounds most practical to wait and to test when the baby comes. Thing is, be ready to test with both guys. The first guy has a chance, whether or not you two used a condom.
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