Anonymous

3 years

Confused pregnancy conceived date

I just stopped breastfeeding in August 2019 and first day of period on 9 Sept 2019. I am not sure of the ovulation day as it hasn’t stabilise after resume period. Before 1st delivery was 28-30 days.

I have unprotected sex with husband on 24 Sept 2019 (day 16th) and protected sex (condom) with a stranger on 28 Sept 2019 (day 20th).

My first ultrasound on 24 Oct 2019 shows 5w6d and latest 23 Apr 2020 shows 32w2d.

I’m so confused with the online due date calculator. Can you please help me to advise which is likelihood to be the father of the unborn child? Of course I hope the answers is my husband as the other is totally an accident. Please help.

Thank you for your question,

For your information, Expected Date of Delivery EDD is calculated by two methods. The first one is based on your Last Menstrual Period. This method is the most preferred if you remember your last menstrual period. The other one is through Ultrasound Scan. Both method will usually give you different EDD and the date discrepancy is acceptable if it is within certain days which is 5 to 7 days.

Because few women know the exact day they ovulated or conceived, an ultrasound done in the first trimester of pregnancy has been shown to the be the most accurate way to date a pregnancy. If an ultrasound date in the first trimester differs from your LMP date by seven days or more, we would go with the ultrasound.

For more information or to consult a doctor, please click on the link (DoctorOnCall) to contact your doctor or on the link (DoctorOnCallEPharma) to speak with our pharmacist online. We will protect your privacy. Thank you.

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