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How Can The Date Of Conception Be Calculated?

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Posted on Wed, 29 Apr 2015
Question: I have this girl that's 28 weeks pregnant on 4/12/15 she turned 28 weeks every sunday she turns a new week. her due date is july 5 so based on this information what are her most accurate dates of conception? she also said that her pms started on oct 1st 2014 and she missed it nov 1st but she didn't find out she was pregnant until december. we slept together on a saturday night of oct 18 and thats when she tryna say she got pregnant. it's not adding up to me so I think she's lying. can you help clarify this? I need closure.
doctor
Answered by Dr. Mahesh Koregol (46 minutes later)
Brief Answer:
This is likely to be your baby

Detailed Answer:
Hello,

Thanks for your query.

I have read you query and I understand your concerns about dates of pregnancy.

Following is my reply:

1) By her EDD her LMP is end of september 28th Sep.

2) She is 28 weeks by now as per that which is right.

3) Ovulation is not always fixed and varies a bit. If you had sex on 18th October, it is likely that you are the father.

I hope I answered you query and addressed your concerns.

Let me know if you wish to ask any further questions. I will be glad to help you.

Regards,
Dr. Mahesh Koregol



Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
doctor
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Follow up: Dr. Mahesh Koregol (1 hour later)
we live in two different states plus I used a condom and pulled out I know it's still a possibility but me and her wasn't in a relationship plus before the 18th I haven't seen her since july and I know she was sleeping with other guys.

how likely is it? almost 95-100 percent likely?
doctor
Answered by Dr. Mahesh Koregol (2 minutes later)
Brief Answer:
DNA test of baby needed

Detailed Answer:
Hi,

Thanks for additional details.

In that case it is very difficult to state if baby is yours. Date of October 18th corresponds to your dates.

Only way to confirm it is by doing baby's DNA test after it is born. It is impossible to say if baby is not yours just by the histiry you have given.
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Answered by
Dr.
Dr. Mahesh Koregol

Infertility Specialist

Practicing since :2000

Answered : 3830 Questions

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How Can The Date Of Conception Be Calculated?

Brief Answer: This is likely to be your baby Detailed Answer: Hello, Thanks for your query. I have read you query and I understand your concerns about dates of pregnancy. Following is my reply: 1) By her EDD her LMP is end of september 28th Sep. 2) She is 28 weeks by now as per that which is right. 3) Ovulation is not always fixed and varies a bit. If you had sex on 18th October, it is likely that you are the father. I hope I answered you query and addressed your concerns. Let me know if you wish to ask any further questions. I will be glad to help you. Regards, Dr. Mahesh Koregol