Hey! I found out when I was 19 weeks. I have heard of someone finding out when she was 16 weeks but I hear that it might be difficult to see.

Either way, you can always try!

Normally your obgyn will schedule your first ultrasound around week 20 of pregnancy. By this time the outter reproductive tissues are well formed in the fetus.

While it is possible in some cases to tell the sex of the baby before then, there is also a higher level of error. Due to a spotting incident, and an ovarian cyst, I had an ultrasound when I was about 15 weeks along. The technician said that it looked like a girl, but not to take that as a final determination, because it was still a little early to tell. At my ultrasound when I was 21 weeks it did indeed turn out to be a girl. However, I know of many people who were told there baby was on sex, only to be surprised when it was born.

Typically in a fetus, the gonads or ovaries don't even start to fully form until around week 16. Then the gonads in a boy don't even begin to drop to the outside until around week 28. So if you do have a boy you will only see its penis.

It really is interesting how the reproductive tissues form. Every fetus starts off with a tiny little nub and two flaps of skin between their legs. The sperm that fertilized the egg held chromosones to determine the sex. The chromosones then determine which hormone there is more of, estrogen for girls, or testosterone for boys.

If the fetus is to become a girl, the higher level of estrogen hormones tells the little nub to become her clitoris, while the two flaps of skin become her outter labia. If the fetus is to become a boy, then the higher levels of testosterone tell little nub to grow to become the penis, and the two flaps of skin become the sacks that hold the testicles.

As early as 16 weeks

I've heard as early as 16 weeks but my doc said the best time was between weeks 18-20.

I know that now days with better technology, that the sex can be determined early, and personally I have never heard from a Dr. Or a book, or anyone else about not being able to determine the sex until 28 weeks, that is rediculous, it may be eaiser to see on a normal u/s by then, but it really depends on how experianced the tech is who is doing the u/s and what type of u/s you are having done, such as a 3d or a 4d you can see the sex as early as 16 weeks, and 15 weeks and 5 days, I think they might beable to tell, if they are looking closely!!!

My friend said that she was 12 weeks 5 days when they told her that there was a baby boy in there. I work with her and I saw the us picture and you could see his little whatever.

Dont' get your hopes up, hers was done at a specalist office and maybe their technology was alot better than most. I found out at 18 weeks.

"his little whatever". Lmao. :lol:

Yes, I was trying to be nice.....I dont' think that it's right to talk about her little baby's little stuff.

As early as 16 weeks but most find out around 20 weeks when it is easier to see the sex organs...

I found out at 15 weeks 6 days....You can tell as early as 14 weeks but the sonographer needs to be very skilled and the baby needs to cooperate also the ultrasound machine needs to be high tech so that it can in turn show a clear view of the sex organ..I'm was told I was havin a boy and then
i got that confirmed at my 20 weeks 2 day level ii ultrasound....Good luck!!!

I have been told (and read) that they can tell you the sex at the 18-20 weeks ultrasound. I am sure you can earlier (with less accuracy), but I know some people that go in for their 18 week ultrasound, and they are sometimes unable to tell at that point (depends how the baby is positioned)

good luck

So....Have you found out the sex of your baby yet???

This post started in .January, so I would say probably so. :)

Um thanks for doing the math for me.....I just was hoping crysiel would respond with a boy or girl response.