I had always been told that it was almost 17 weeks before they could be positive it was a boy and 21 weeks before they could be positive it was a girl, however, as early as 12-14 weeks, they can make a guess at a boy. It still would be too hard to know/see for sure if it is a girl at that stage.
I found out I am having a boy at 12w4d. I know two people who were told that early that it was a girl, too. But mostly that early boys are easier to see. That early they look for the genital tubercle, not necessarily external parts. It's an angle that's different in boys vs girls. That's what a good tech will look for. But I think in most cases they still tell women it's too early. At 15w4d my doctor did a quick one in the room and said that the tech was correct-she saw a penis. She explained that the tech wouldn't tell us the sex if they didn't know.
I was told that until at least 19 weeks it was still a 50/50 guess about the sex of the baby. In fact with #2 they told me I was having a boy... so she was called Brandon till my 6th month when another tech told me it was a girl. The 2nd tech was right lol.
They won't let me find out until 19 weeks (next week) because she wanted to make sure she saw the heart and lungs real well to check those at the same time. And i'm so anxious! But I've read books that said they can tell at 14 weeks. Good luck!
hahaha, my little brother who is 18 now was my little sister all the way up to the moment he was born and peed on the nurse. two ultrasounds told my mom he was a girl(different techs both times) we got everything pink and had to run out to get him some clothes to wear home so he did not have to wear a ruffled pink dress. i never let him live that down. lol.
from the u/s pics i have seen a girls anatomy looks like a hamburger. (best analogy i can think of) top bun, patty, bottom bun. maybe if you watch close you might notice that or the little stem and be able to mention it, ask what it is? :)
I was told at 14 weeks, 1 day that I was having a boy. The doctor told me he was "pretty sure". The particular doctor refused to tell any of my friends his opinion this early on because he said it was too difficult to tell, so I'm relatively certain he was pretty confident in what he saw on the ultrasound.
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