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How To Determine The Date Of Conception Using Menstrual Cycle?

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Posted on Mon, 16 Mar 2015
Question: OK so I had sex a total of 3times while I was fertile. Two days before and the day before both with ejaculation. Then I had sex again with someone who wasn't my bf,unprotected but no ejaculation. Now I'm worried, confused and VERY pregnant. What are the chances of the other guy being the day?
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Answered by Dr. Som Biswas (21 minutes later)
Brief Answer:
Chances are less

Detailed Answer:
Hi,

I can understand your concerns.

The chances of the other person being the father is comparitively less as he did not ejaculate. Though its difficult to put a number on it but should not be more than 10% approximately.

However it does not completely rule it out .

the only way to confirm is to get the childs blood dna and match it with both the men.

This is possible easily after birth of the child but is a very risky, difficult and immensely costly procedure if you want it done while the baby is inside you as then it will be a sophisticated procedure.

regards ,

Dr Som MD
Note: Revert back with your gynae reports to get a clear medical analysis by our expert Gynecologic Oncologist. Click here.

Above answer was peer-reviewed by : Dr. Raju A.T
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Answered by
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Dr. Som Biswas

OBGYN

Practicing since :2007

Answered : 965 Questions

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How To Determine The Date Of Conception Using Menstrual Cycle?

Brief Answer: Chances are less Detailed Answer: Hi, I can understand your concerns. The chances of the other person being the father is comparitively less as he did not ejaculate. Though its difficult to put a number on it but should not be more than 10% approximately. However it does not completely rule it out . the only way to confirm is to get the childs blood dna and match it with both the men. This is possible easily after birth of the child but is a very risky, difficult and immensely costly procedure if you want it done while the baby is inside you as then it will be a sophisticated procedure. regards , Dr Som MD