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Could Ultrasound be wrong?

I am very confused and trying to find when I conceived as there is a possibility of two fathers. However one I was with for over two years and never conceived and the other was a new partner of two months and I am now pregnant. Both used the withdraw method. I had my LMP April 11th, 2015. I had intercourse on the 22nd and the 27th. The partner on the 22nd was the same person I had been with for two years and never conceived. I took a pregnancy test on the 4th and 5th of May and both were negative. I took a pregnancy test on the 7th and it was positive. Considering I would have been 12 and 13 DPO with the first partner I thought it would be positive. At 10 DPO it was a very faint positive. I had blood drawn that night at the ER at 1 am in the morning which would have made me either 11 DPO or 16 DPO and my levels were only at 35. Another indication it was my new partner. My hormone levels were redrawn on the 11th and were 271. The doctor at the ER told me with my levels only being 35 I was only a few days pregnant. I had my first ultrasound on the 29th of May and they are saying I am measuring 7w1d. This would mean that it was my partner of 2 years. My report says
-GA(MSD) Hellman 2.84 cm 7w4d (6w5d-8w4d)
+ GA(CRL)Jeanty 0.940 cm 7w1d +/-5d
-GA(CRL)Hadlock .940 cm 7w0d

I was almost positive I was ovulating when I had intercourse on the 27th as I had all the symptoms. I also have an average of a 29-30 day cycle. My ultrasound states I am measuring further along than my LMP. Is there any way to be able to tell who the father is? Could it be possible I am actually 6 weeks pregnant and measuring at 7?
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Avatar universal
I am in the same situation
Helpful - 0
Avatar universal
my mom conceived me and my twin sister a week apart(still same dad). so yes its possible. but only a dna test will tell.
Helpful - 0

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