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View Full Version : Determining Gender at 13 weeks???



ocgatita
08-08-2007, 01:52 PM
Is it possible to determine the gender of a baby at 13 weeks with a 3-D or 4-D ultrasound? Someone we know said that they had a 4-D ultrasound at 13 weeks and it said they are having a girl. I thought you needed to be at least 16 weeks before they could even determine that! Out of curiousity, is this possible?

PinkMartini
08-08-2007, 01:54 PM
My OBGYN told me that she was able to see boy parts at 14 weeks before. She also said girls are harder to determine since there's nothing 'out there' to see. I would think girls would be harder to determine than boys :confused:

Amuse Bouche
08-08-2007, 02:01 PM
At my 13w u/s, the doctor could make a guess, but he wasn't sure enough to tell us. At 22w we found out we were having a girl. A friend of mine went to the same dr at 13w and he told her she was having a boy and she was.

wendalah
08-08-2007, 02:25 PM
My doctor correctly guessed the gender of our girl at 12 weeks. That said, the baby was giving him a total money shot--was in the perfect position.

ShannonGH
08-08-2007, 02:50 PM
My friend (an u/s tech) said she has called the sex as early as 12 wks.

jenji
08-09-2007, 06:30 AM
though I've heard it's not possible to determine gender from a U/S so early, we had a 3D U/S at a little over 11 weeks and I could have SWORN I saw boy parts between our little one's legs, below the cord, but didn't get confirmation from the Dr. We did find out later that we are, indeed, having a boy.you would be amazed at the details you can see on a good 3D U/S

boilermaker
08-09-2007, 07:02 AM
A good friend recently found out at a 13 week u/s that she was having a boy. She had to have an extensive u/s done for other reasons but they could tell.

LIZNKEITH
08-09-2007, 07:18 AM
A good friend of mine found out at 13 weeks that she was having a girl. The u/s tech said it was with 80% accuracy. She did have a girl.

emschwar
08-09-2007, 10:40 AM
At 12 weeks you can sometimes see, but it's hard to tell, because boys and girls look very much alike at that stage. It's more about the angle than about what you see (girls look like they have a penis too).

This website is helpful: http://baby2see.com/gender/external_genitals.html

My friend is an u/s tech and told us at 12 weeks this baby was a boy. She was right.

amew
08-09-2007, 07:54 PM
It's possible for an experienced tech to accurately predict gender with U/S as early as 12 weeks, but gender U/Ss aren't really considered reliable until more like 18 weeks. A friend who's an OB did an U/S on me at 16 weeks and couldn't tell. We had U/Ss at 20 and 32 weeks, and he's definitely a boy. OTOH, my friend was told based on an U/S shortly after 12 weeks that all her triplets were boys, and indeed they are. And I have another friend who learned she was having a boy via U/S at about 15-16 weeks. Depends on position of the baby, skill of the tech, and whether the tech is willing to make the call that early.

Rosebud
08-09-2007, 08:31 PM
We had a 3D ultrasound today (12 weeks) and the doctor made a guess (girl) but said it was too early to tell for sure. I think they won't really make a gender prediction with confidence until more like 18 weeks, usually.

Tonysweetie
08-09-2007, 09:54 PM
My friend had a detailed U/S at 12 weeks and found out it was a girl. Her daughter is almost 4 months old now. :)

mcgwigan
08-10-2007, 06:56 AM
I just wanted to say that I am excited by all of those that have said they were able to tell early. I have an ultrasound when I'll be 13w3d & am really hoping that we'll have a good enough view to tell!

pocahontas
08-10-2007, 03:01 PM
If it's any help to ya McGwigan...I have 2 pregnancy books and both said the genitals start to become evident during week 12. So I figure by week 13 you just might have a shot (although I think a lot of techs might be skiddish about committing to telling it. I know if I was a tech I'd be scared to call it so early because people will come back shaking their fists if you're wrong! :rolleyes:)

mcgwigan
08-10-2007, 05:06 PM
poca Thanks! I looked at the link that emschwar posted and they talk about the "angle of the dangle" ...it would make sense that they could tell based on that. I'm not going to plan on being able to find out that early, but would be really excited if we could!

la_bride_2004
08-10-2007, 06:31 PM
mcgwigan- I was one who was able to find out gender at 13 weeks via 4D, but I had a M.D. , not a tech. I'm guessing that may make a difference. There was no question on mine! Everything was there and you could see it all.

I was 13w1d (and we did ART, so I knew the timing for sure!). It was one year ago today, actually.

Mystikal
08-12-2007, 04:31 PM
A friend of mine had an u/s at around 12 or 13 weeks and the tech told her she was having a boy. And she did. :)

LILRTL
08-12-2007, 05:53 PM
Found out at 13 weeks with boy #2 that he was, in fact, a boy.

emschwar
08-12-2007, 06:14 PM
Here's some threads that might have more info:
http://www.constantchatter.com/forum/showthread.php?t=22873
http://www.constantchatter.com/forum/showthread.php?t=10183

Amie
08-13-2007, 06:28 PM
I was told at 13.5 weeks that 'there is no doubt i was having a girl' and i was at one of those specialists with the high powered machines. anyway, my SON is now 19 months old ( :

usafwife
08-14-2007, 03:05 PM
DH was told at barely 17 wks that we were having a girl (I didn't want to find out). I had a few more u/s after that for other reasons and they were always sure it hadn't changed. The tech was correct.

mcgwigan
08-23-2007, 10:39 AM
Just thought I'd post an update here. I had my NT scan today at 13w2d and asked the tech if she'd be able to tell the gender and she said "no". She did not even go there to look.

Rosebud
09-26-2007, 06:21 PM
We had a 3D ultrasound today (12 weeks) and the doctor made a guess (girl) but said it was too early to tell for sure. I think they won't really make a gender prediction with confidence until more like 18 weeks, usually.

Just wanted to update. We had an ultrasound today at 19.5 weeks at my OB was very confident that we are having a boy. So, it looks like the doctor who guessed it was a girl at 12 weeks was incorrect.

I almost wish that first doctor hadn't even guessed, because once you have one gender in your head you really start to get attached to the idea-- and then to find out the baby is a different gender is a bit of a shock. We're totally excited about having a boy, but we both had a moment of sadness that it wasn't the girl we'd thought it was.

FoxyBlue
10-15-2007, 06:36 PM
Hmm... well our U/S tech took a guess (although I'm convinced that sure is what it looked like) that it's a boy at 12 weeks.

We'll have to wait a few weeks and see if that's confirmed or not :)

JennW
04-16-2008, 11:57 AM
Interesting post. When I had my nuchal done (I was 12w 5d), they showed us the penis and scrotum. I have been wondering what the odds were that it was right or wrong. According to most online info it’s pretty accurate at that point but this post makes me think maybe not.

bensgirl1222
04-16-2008, 01:29 PM
I had a 3D u/s done at 16 weeks and found out we were having a boy. The tech said 16 weeks was the earliest they would recommend looking for gender.

linekelei
04-16-2008, 01:46 PM
I've been told 16 weeks, too. Supposedly, the boy and girl parts look too similar anywhere between 12 and 16 weeks.

I had two ultrasounds-one at 16w, 3d, and one at 17w, 1, and at both I was told girl. Hopefully they are right since I now have girl stuff in my head!

ThreeYell
04-16-2008, 03:58 PM
I just had an ultrasound with the regular machine at the doctor's office at 14W6D and we pretty clearly saw a penis. The doctor said he was 98% sure it was a boy.

countrymouse
04-17-2008, 07:40 AM
At 12 weeks, the ultrasound technician guessed a girl, but she never got a good between the leg shot, so I don't know what she was looking at. When the doctor came in a few minutes later and looked at the screen, he said there was 80% chance it was a boy. Just found out today at 20 week u/s that he was right!!

NicoleWisconsin
12-18-2008, 07:06 AM
I had an u/s on Tuesday, at 11w1d because they couldn't find the heartbeat with the doppler (due to my tilted uterus, but I digress..) and the doctor performed the ultrasound. We weren't wanting to know the sex of the baby this time and I didn't even think to say anything going in because I thought it was just too early. Anyway, while she was doing the u/s she said, "OH! Do you want to know the sex?" (Really excited like...) And we immediately answered, "NO!" She then backtracked and said, "Well, I can't tell, but the cord looks wonderful..." What do you think?

NotDesperate
12-18-2008, 08:43 AM
Nicole, sounds to me like she saw a teeny weenie! Could be wrong, but that is what I would think if she said that to me! What a dumbie :rolleyes: Just try to put it out of your mind and enjoy the surprise- it could still be either one, especially since it is so early!

MrsBeckyLP
12-18-2008, 10:15 AM
I had an u/s on Tuesday, at 11w1d because they couldn't find the heartbeat with the doppler (due to my tilted uterus, but I digress..) and the doctor performed the ultrasound. We weren't wanting to know the sex of the baby this time and I didn't even think to say anything going in because I thought it was just too early. Anyway, while she was doing the u/s she said, "OH! Do you want to know the sex?" (Really excited like...) And we immediately answered, "NO!" She then backtracked and said, "Well, I can't tell, but the cord looks wonderful..." What do you think?

I really don't think a doctor would mistake the cord for a penis. I would guess that, to a trained eye, the two look nothing alike. I wouldn't read too much into what she said.

NicoleWisconsin
12-18-2008, 07:14 PM
Thanks... From what I've been reading, it's pretty inacurate this early and they actually look the same at about 9 weeks... So we'll see. I just wish it wouldn't have happened.

miaclear
12-18-2008, 08:23 PM
We had a US at 12w5d and the sonographer thought one of the babies was a girl. She told us that babies early on look like boys and as they grow boys will continue to grow their boy parts, and girls will grow into their parts (forming the clitoris).

Kanga
12-18-2008, 08:52 PM
"Well, I can't tell, but the cord looks wonderful..." What do you think?

Sounds like she was just trying to change the topic quickly and when she saw the parts, she also saw the cord.

We were able to tell at 15 weeks with dd1. U/S person said she was 99.9% sure and she was right. With a girl, you see three lines. So if you don't see a penis that early, but don't see the three lines, it really could go either way. OR, sometimes the cord can get in the way and it makes it hard to tell.

hiphopgirl
12-19-2008, 09:13 AM
NicoleWisconsin - I wouldn't read too much into her comment. It really could go either way.

My peri told me that at 12 weeks both genders have something that stick out. In girls it typically points down and in boys it typically points up. When we had our 12w u/s we could clearly see something pointing down and then at 18 weeks we confirmed that we were having a girl. Just because something is sticking out doesn't mean it's a boy.

goldengbridge
12-19-2008, 05:38 PM
With my DD, the Peri was able to tell us she was a girl and they were right! With this baby, the Peri said he was pretty sure he was a boy at 12w duriong my nuchal test and sure enough he was right again!

bensgirl1222
01-10-2009, 09:07 AM
I found out yesterday (13w1d) that we are in fact expecting another little boy! After we did the measurements for the NT Scan (which turned out totally normal, BTW) I asked the tech if she could take an educated guess at who was hiding in there. She told me it would only be a guess as it may be too early. She looked around and tried to get him to uncross his legs for about 10-15 min. Finally, he opened his legs wide open (birds eye view) and we all saw the testicles & penis sticking straight up! No denying that. She agreed it was a boy. She left the "view" freeze framed on the screen and when the dr came in he said, "Wow...its very rare to get such a great shot so early like that!" And he also agreed it was def a boy.

So yes, your def able to see it. But I have heard of some techs/dr's wont even look bc they say its too early. So you have a tech who is willing to look for it and a baby who wants to cooperate! Good luck!

mamax2
01-10-2009, 07:50 PM
NicoleWisconsin - I wouldn't read too much into her comment. It really could go either way.

My peri told me that at 12 weeks both genders have something that stick out. In girls it typically points down and in boys it typically points up. When we had our 12w u/s we could clearly see something pointing down and then at 18 weeks we confirmed that we were having a girl. Just because something is sticking out doesn't mean it's a boy.

ITA. The 'nub theory' is first of all, just that... a 'theory' and all babies have a nub at that point. The theory is that a nub that's 'flat' is a girl and a nub that has an angle is a boy. The image has to be captured in a specific way so the degree of the angle is visible.

Using a 'toilet shot' like a tech would use at 16+ weeks would be totally inaccurate since both boys and girls have a nub protrusion at this early time frame.

MMHinCA
01-11-2009, 09:54 AM
We were told at our 13 week nuchal scan that the tech saw something suspicious between the legs (hinting it was a boy). We saw what she saw and suspected it was a boy. At our 20 week ultra sound it was confirmed we are having a boy!

JenInAZ
01-11-2009, 01:48 PM
Check out this super cool website (http://baby2see.com/gender/external_genitals.html) with pics of genitals at different stages. May clarify for you a bit just why it's so hard to differentiate that early. :)

robyn
01-21-2009, 08:42 PM
The perinatalogist who did our NT scan is famous (around here) for predicting gender. At 12 weeks he said we'd have a girl, but "only buy one pink outfit." We did indeed have a little girl.