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Ultrasound is very good at aging a pregnancy it is not a guess. 30 weeks. get a blood test with the culprits after the baby is born to determine the father.

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Q: If your doctor said you were 20 weeks and 4 days at your 20 week scan 10 weeks ago how accurate is that guess You had sex with 2 men 3 weeks apart so are you 30 or 33 weeks?
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How accurate is a conception date that the doctor gives you because I am trying to juggle who the father of my child is i had intercourse a week and a half apart?

It's impossible to be right on the nose and if per chance it does happen it's a wild guess. A doctor can guess approximately 2 - 3 weeks. Unfortunately in your case having sex with two different partners in such a short period of time you won't know the father of baby without a DNA test.


It is bad if you have had your period for two weeks?

talk to your doctor for a very accurate answer


Is it possible to be less weeks than the doctor says?

Absolutely. There is no accurate way for a doctor or anyone else to say exactly how far along you are, unless you were keeping careful records of when your ovulation happened (and tested it with an ovulation kit) and when you had sex. The doctor's assessment is an educated guess based on the date of your last period, and on the size and development of your baby.


If you are 33 weeks pregnant and getting contractions 3 minutes apart how far are you dialated?

Call the doctor, like now


Does semiannual mean exactly 6 months apart?

I want to say it does not. They can be a few weeks different as long as the Doctor orders it.


Your doctor said you were 14 weeks and 1 day making it 12 weeks gestation your second scan at 20 weeks was the same how accurate are these scans?

If two scans early in pregnancy say the same they are extremely accurate. Your pregnancy gestation was 14 weeks and 1 day as pregnancy is counted from the first day of your last period (if you have a 28 day cycle) it was 12 weeks from conception.


Can you take a ClearBlue pregnancy test at 3 weeks and how accurate will it be?

It should be quite accurate at 3 weeks


I went to a clinic on and the doctor said I was 5 weeks and 3 days. The next day I went to the hospital and they drew blood and did an ultrasound and said that I was 4 weeks which is more accurate?

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Can a doctor tell whether you are 7 or 10 weeks and be positive?

Yes, with an ultrasound. They can measure the baby and give you a very good date based on that. Ultrasounds are very accurate


How accurately can an ultrasound determine the date of conception?

Ultrasounds measure the size of the fetus to predict a due date and are usually very accurate, within two weeks, so I would safely assume that it would not be off by five weeks. You can ask your doctor, it won't be the first time he or she has answered that question,I promise. Also it depends on when the U/S is. U/S before 12 weeks of pregnancy are very accurate, plus or minus 2 weeks. After that there are more varibles, babies grow at different rates so they are not as accurate.


Im 36 weeks and 1 cm dilated my doctor thinks ill go into labor within the next 2weeks if that. how accurate can she be about that you have also already had preterm labor but they stopped it?

eeh.. my doctor said the same thing when i was pregnant with my daughter. I went into preterm at 26 weeks,they stopped it, then at 36 weeks i started dialating. i was 50% and 1 cm.but i stayed that way from 36 weeks to 41.1 weeks.good luck :O)


How can you see how many months or weeks you are with seeing a doctor?

Only if you know when you conceived can you count and know. You can't know just by looking. Some pregnancy tests can also tell but they are not as accurate.