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How do you figure out the date of conception to know if you are the father?
Wiki User
∙ 8y ago
Conception usually occurs around the 14th day from the first day of your period.
For a current pregnancy, the related link below may be helpful in calculating the approximate date at which conception occurred.
Wiki User
∙ 12y ago
Wiki User
∙ 8y agoIf your girlfriend doesn't know the conception date, I don't think there's really any way anyone could tell you.
Even a baby's due date or actual delivery date offers no real clue as to the exact date of conception.
You might try the conception calculator linked under more info in the right column.
You can always get a DNA test, or you can trust your girlfriend and love the baby as your own any way.
A women generally ovulates 14-18days after the first day of her last menstrual period. If you know the first day of your last menstrual period then you can estimate the week conception occurred.
Given that sperm can live for days within the women, during the conception date may be difficult. If a women has sex on Friday, Saturday and Sunday with three different men, any of them can be the father.
Set your mind at ease and get a DNA test.
You really won't be able to pinpoint the exact date. you can find aproximately by knowing the day her last period started and how long her cycles are. It would be an aproximation though.
http://thefertilityshop.com/ovulation-calculator.htm
Hopefully you are still on good terms with your girlfriend, if you should attend the doctor visits, then one thing is of great help, when the first ultrasound is given, hopefully before the 11th week, there is a measurement that is given called a crown rump length, this is very very accurate in telling the gestational age of the child. after the 13th week, the baby is able to curl so the accuracy is not there, the spinal segements have formed. Crown rump length will give you a very accurate date. Good Luck. I hope everything works out for you.
Wiki User
∙ 12y agoI'm now 4 week pregnant my due date is the 8-3-2012
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Is there a formula I can use to figure out my due date?
If you know your date of conception, all you have to do is add 9 months to find out your approximate due date.
Can you be sure who the father of your child is if you slept with 2 people 5 weeks apart?
You would need to know your conception date and go from there. If the date is not a pin point date, you might opt for a DNA test.
What if you don't know when your last period was and am pregnant how do I calculate conception day?
Find out when your due date is because you can work out your conception date from that
If you know the date of conception FOR SURE how can you figure out your due date from that All the calculators put my conception date based on my cycle wrong therefore the due date is wrong?
I don't know, because I can't find one either. I do know that calculating from the fist day of your last period is NOT accurate especially if you practice fertility awareness. The first day of my last period was over 50 days ago and I just ovulated.
I dont know when my last lmp was or when the conception occured i know my due date is May 9 2008. I made a mistake and cheated on my husband on August 122007. i need to know exact conception date?
id say in July would be conception cuz if you count from august to may that's ten months!! Id say that conception occured around August 17th. In order to calculate the date of conception, Google 'how to calculate dates of conception' Healthlink is the best site, they allow u to calculate backwards from your due date to conception.
How do you tell your due date?
To find your due date you need to know either your conception date or the date of your last period.
How do you no what date you got pregnant?
If you know your due date, the doctor or midwife can probably tell you when (roughly) you got pregnant. Also, there are many online sites that can tell you your conception date if you know your due date
What is my due date I definitely conceived on Feb 14 but dont know the date of my last period?
nice conception date! You due date is roughly 6th November 2008
Is pregnancy 38 or 40 wks?
pregnancy lasts for a periods of 40 weeks from last missed periods. Pregnancy lasts for 38 weeks from the date of conception. Normally you do not know the date of conception. The date of last periods is taken normally to calculate the weeks of pregnancy.
Is it good if your father figure is oyur best friend?
Yes it is. My best friend is my father figure and i dint know what i would do with out himhe is also my cousin.
Would excessive drinking the first trimester alter the measurements of ultrasound to determine size and conception date And if so how many days off could it be?
NO ultrasounds measure amniotic fluid and the fetus head, this would not alter you're conception date. If you wanna know you're conception date go to www.webmd.com and they will calculate the time you conceived based on you're due date. It's just an estimate. GOd bless
You know you are 4 months 3 weeks and 2 days pregnant due to Fetal measurements but how do you figure out your conception date?
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