the angle of the dangle



Tomorrow is the day I find out whether baby #2 is a boy or a girl. I really wanted to find out what I was having when I was pregnant with Holden, but Mr. B wanted to keep it a surprise so I relented. Not this time! I’ve been obsessed with finding out. So much so that I even sought out some potential hints from my OB at my 12-week ultrasound.

And that, my friends, is where I learned about the Genital Tubercle Angle or… the Angle of the Dangle.

So, basically, by about 12 weeks into your pregnancy, the baby’s genitals look pretty much the same whether it’s a boy or a girl. The baby essentially has a little nub that will eventually grow into the penis if it’s a boy and the clitoris (kinda?) if it’s a girl.

At the 12-week ultrasound, the tech can try to take a scan of the baby from the side and look at the angle at which the nub is “pointing” to *somewhat* accurately determine the sex of the baby. If the angle is 30% or more to the baby’s spine, then it’s a boy; if it’s parallel or less than 30%, it’s a girl.

The Angle of the Dangle from @ohbotherblog

photo from

I’ll be honest. I’m not really sure I see it. But my OB took a look at my 12-week sonogram and made her prediction. We’ll find out if she was right tomorrow.

Here’s the scan. What do you think? Is baby #2 a boy or a girl?

baby #2's nub: the angle of the dangle, genital tubercle angle @ohbotherblog

p.s. I’m hosting the gender reveal party on Saturday night, so you’ll have to check back this weekend to find out!

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