Women's Health
Fetal Development

How many weeks pregnant do you have to be till the sex of the baby can be told?

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Wiki User
2011-05-31 04:36:18

It is best to do an ultrasound at 20 weeks. Any time before

could likely be too soon. Waiting to long after could result in

your baby getting to big and balled up. Therefore, it would be hard

to tell with it being in the position it gets in with fast growth

after then.

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