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Who is most likely the father- Confused Conception
My question is in regards to conception and possibility of who's baby I'm carrying.

My LMP was on April 20, 2017. I usually have a 29-31 day cycle averaging mostly at 30. My first ultrasound dated me 7.5 weeks pointing towards conception on May 10, 2017. I went in for my NT Scan and this dated me at 13 weeks 2 days with conception of May 7, 2017. They will not move my due date from the first scan.

I had an Mirena IUD in for 7 years and was replaced. We are assuming the replaced IUD fell out at some point.

I had intercourse with Guy A on May 5th, 12th and the 18th. I also had intercourse with Guy B on the 9th.

My due date has been placed on January 30, 2017. In your opinion, who would be most likely the father by information given.
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134578 tn?1483549754
Either guy, I'm afraid, because sperm from the guy who you had sex with on May 5 would still have been alive in your body as of May 9 when you had sex with the second guy, and your due date suggests conception was around May 9.

On what basis did you get told your due date was January 30? Did they give you that due date from the length of the baby at your very first ultrasound, or was it computed from your last period?
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They gave me the due date from ultrasound at 7.5 weeks. At my 13 week ultrasound it then coincided with my LMP and was actually 2 days early.
I then went in for my 22 week ultrasound and I fell back a week. I'm just hoping it's from sex on May 5th.
Also, one male has 2 daughters. Is it more likely this baby would be another girl given that information or does that stick to 50/50?

Is sperm waiting for an egg (from May 5th) more likely to fertilize the egg once released then day of?

Sorry for so many questions!

Thank you for any information you can provide.
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134578 tn?1483549754
What do you mean by 7.5 weeks, seven point five, meaning 7 1/2? (Or 7 weeks and 5 days? Which of course is not seven and a half weeks.) Did they compute it out and give you a due date, or did you figure out the due date based on "7.5" weeks?
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When given the ultrasound they said I was 7 weeks 5 days (measuring crown to rump) at that appointment. This was on June 19th. Thereafter, I had a 12 week appointment on July 26, 2017 and the baby measured 13 weeks 2 days.

The due date given at the 7 week ultrasound was January 31, 2017 and the one given at the 13 week ultrasound was January 28th.

I'm just wondering if there is any peace of mind on who I can lean more towards to being the father.?
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134578 tn?1483549754
Being 7 weeks 5 days GA on June 19 suggests conception on May 10, which also goes with the due date they gave you (of January 31). I'd go with it as well -- later ultrasounds are less accurate for purposes of dating conception than ones in the 6th or 7th week. Sperm from either guy could have produced the baby on May 10.

Do you know yet if the baby is a girl or a boy? If a girl, either guy could be the dad, and if a boy, the guy on May 9 might have the slightly stronger chance, due to the length of time x and y chromosome-carrying sperm last.

You asked "one male has 2 daughters. Is it more likely this baby would be another girl given that information or does that stick to 50/50?" It's not more likely that another child of a guy with two girls will be another girl, unless he always manages to have sex several days before the woman ovulates, and all his male sperm have therefore died out before the egg came down each time he got a woman pregnant.

You asked "Is sperm waiting for an egg (from May 5th) more likely to fertilize the egg once released then day of?" No. It's just luck of the draw when two men's sperm are in your system at once. Male sperm are faster swimmers than female sperm, so probably at best, you leveled the playing field.

You said "I'm just wondering if there is any peace of mind on who I can lean more towards to being the father." You could find out very soon if you want to do a prenatal DNA test with Ravgen or the DDC. It costs a lot of money and for best peace of mind you have to test with both guys (because for some women, testing with just one guy and getting a negative can bring on a whole host of worries that the test might be wrong), but that is the way to peace of mind. If you don't have the big bucks for that test or would rather not  spend it that way, wait until the baby is born and get a DNA test at that time. It only costs about a tenth as much as the prenatal tests, and then you will know. Everyone involved (you, the guys, and the baby) deserves to have this question put to rest for good, once the baby is born.
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The baby is a boy as I found out on my last ultrasound. Both men know about this, just was wanting to find out if there was a way to point it out.
Yes, the male on May 9th has 2 daughter's, so I wasn't sure if that may have been a higher chance with this one. He has also stated to me he only makes girls.

I appreciate all your input and information your gave me. I'll be sure to come back and let you know the outcome. Due to both the men being supportive, I'll be doing the DNA test after the baby is born.

Again, thank you so much!
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I guess I may have one more question... If it can be answered.

One of the males have Congenital Heart Disease and suffered from this 6 months prior to having sex with me. Had to have a pace maker placed in and was on medication. Could this cause any issues in fertility. Another one that I was asked today by him that I am unsure about. It was diagnosed that it was Congestive Heart Failure.
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134578 tn?1483549754
Congestive heart failure, unfortunate as it is, does not reduce sperm count.
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