Have You Had a Late Ultrasound?

Updated on January 21, 2018
L.S. asks from San Marino, CA
8 answers

I've gone my whole pregnancy with my DD calculated by my conception date. Period is very irregular. Which was July 8/9 (husband and I were separated before this) giving me the DD of March 31/April 1. I just had a late ultrasound (only ultrasound I've had) and now they are saying I'm due earlier in March! Okay, I know when I was and wasn't having sex so this is making me insane, I know I'm putting a lot of thought into this but I have a very insecure husband. I know the later the ultrasound the less accurate. Up to 3 weeks wrong! Has anyone else experienced this? How accurate was your DD with a late ultrasound?

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N.B.

answers from Oklahoma City on

I'd just let it go and when the baby comes let his fuss and fume then do DNA testing to prove him wrong.

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M.6.

answers from New York on

I have to admit this sounds a little "Jerry Springer." How many times has a woman professed so strongly that so-and-so MUST be the father because she NEVER had sex with anyone else or at any other time, and low and behold, the DNA shows the husband is definitely NOT the father.

That being said, there is a very easy way to put your husband's mind at ease - do a DNA test when the baby is born. They aren't expensive anymore and you can even do them right at home. Then, there is never a question about who did whom when.

As an aside, why didn't you have an ultrasound at 20 weeks - that's pretty standard practice in a "normal" pregnancy. Why wait until 30+ weeks?

Good luck!

5 moms found this helpful

D.B.

answers from Boston on

I worked in women's reproductive health for years. We had plenty of women whose estimates were way "off" - women came in sure of their dates (with medical tests to back them up) and complaining of early cramping, but they were actually in labor, while others were supposedly "late" but actually lost a very early pregnancy. Some of it's record-keeping, some of it is testing irregularities, and the rest of it is (gulp!) nature!

Due dates are estimates. Fetal growth varies tremendously. Think of all the women who are "late" and have big babies (or even common-weight babies). Plenty of women have 7 pound babies 6 weeks early - doesn't mean they cheated! For all you know, March 1 will come and go, and you'll be sitting there waiting for the baby.

Your husband needs to calm the hell down and be a grown-up. He's about to become a father, and he's playing The Calendar Game with you? Sounds like he's looking for a problem. You could just as easily turn that around on him and say, "Gee, if you're so suspicious, maybe that means you have something to hide!" But you're not. You're being an adult here. Good for you. Suggest that he join you in the adult swim.

Don't worry about why you did or didn't have an ultrasound at a particular date. That's water under the bridge and there's no point in beating yourself up about it.

Your husband is totally free to tell you to find another labor partner, leave his name off the birth certificate, and arrange for a DNA test after the baby is born. He can move out if he's so accusatory. But otherwise, he's not allowed to discuss this with you between now and the day the test results come back. Any further discussion is just about making you take care of his insecurities, and you have too much going on to deal with that now. If he can't be there for you 100%, then you need to find someone else to be with you in the labor room. Do it. You need a partner and an advocate, not someone else to take care of in the middle of contractions.

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T.S.

answers from San Francisco on

Well all three of my kids were late, the first one almost two weeks late. So if your husband is THAT insecure just do a paternity test to ease his mind. Due dates are just educated estimates, not guarantees.

3 moms found this helpful
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H.M.

answers from Dallas on

There is probably only one way to put his mind at ease like MilitaryMom said. DNA test. Or if the kid comes out looking just like him. But if there is a possibility it's not his you don't want to put those options out there to him is you want to stay together.
Why did you wait so long to have an ultrasound? If you didn't get one early on why now? They can tell you your estimated due date but even with the ultrasound it's never deferent. But stress can put you in early labor so stop stressing!!!! What's done is done at this point.

Updated

There is probably only one way to put his mind at ease like MilitaryMom said. DNA test. Or if the kid comes out looking just like him. But if there is a possibility it's not his you don't want to put those options out there to him is you want to stay together.
Why did you wait so long to have an ultrasound? If you didn't get one early on why now? They can tell you your estimated due date but even with the ultrasound it's never deferent. But stress can put you in early labor so stop stressing!!!! What's done is done at this point.

2 moms found this helpful

S.T.

answers from Washington DC on

i'm bypassing all the ultrasound stuff, because babies come when they want to come and all due dates are guesstimates.

what i'm reading between the lines is that your very insecure husband is freaking out because he thinks the baby might not be his. i find that very, very troubling.

i mean, maybe he's right. i don't know you from adam.

but the accuracy of the ultrasound would come way, way further down on my richter scale than the looming reality of having a baby with a squinty-eyed jealous insecure immature partner.
khairete
S.

2 moms found this helpful

B.C.

answers from Norfolk on

How did women ever manage for thousands of years to have kids without all the tests and due date calculations?
It's fairly easy to determine if you or your child is under any stress.
Until one of you is - in which case they can induce labor or do an emergency C section - you wait to go into labor naturally.
The length of human pregnancies can vary naturally by as much as five weeks.

We did not have a late ultrasound but we knew our exact due date because we did IVF to have our son.
While I was convinced I was several weeks away from delivery (I had zero Braxton Hicks contractions) and when I did go into labor it lasted 36 hours from first labor pain to birth - it turned out he was born precisely on his exact due date - which is kind of rare.

When you are in your last month the doctor will see you more frequently and monitor you and child.
Though you can't pin things down exactly - you'll be a mother before Mother's Day.

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M.G.

answers from Portland on

I had to be followed with a late ultrasound with my last pregnancy only because of my age. It didn't change my due date from the original one if I can remember correctly.

That being said, my first baby's due date was not 'accurate' (baby did not arrive on that day) and I had charted everything precisely. I was even testing when I ovulated.

Some of this is just out of our hands. Babies come when they want to.

1 mom found this helpful
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