what are the chances of delivering before 40 weeks?

LauraJuliet · May 2011

Does anyone know the chances of going early vs. going past due date. Is there anyway to predict?

Does gender play into it? (Having a girl) It's my first. No BH that I can feel.

I'm getting bigger and its getting hotter here. The thought of a late July baby...uh, is making me sweat more.

ring_pop · May 2011

I love this, from pregnology.

I believe I also read somewhere that first babies are about a week late on average. This cumulative probability function describes all babies. The probability of having delivered BY 40 weeks is about 70%. Not sure whether this adjusts for scheduled deliveries though.

LauraJuliet · May 2011

This is fantastic, thank you!

Shelleybell · May 2011

i was just going to post this diagram

paulsgirl86 · May 2011

FWIW, my OB told me at my 39 week appt on 3/31/09 that DS (my first baby) wouldn't be born for at least another week-10 days and that we would set an induction date at my next appt. Water broke at 6am on 4/2/09 at 39w2d.

I don't think there was a genetic relationship, because my siblings and I were all born at least 2 weeks late.

I wish there were some way to predict, but my OB is awesome and even she was waaay off (and that's with the benefit of an internal exam!).

ETA: DS was only 7 lbs - my siblings and I were all 9 lbs+

starsjaime · May 2011

Here is a poll that i did on the 0-3 month board for fun. kind of interesting!

https://community.thenest.com/cs/ks/forums/thread/53532152.aspx

MPSW · May 2011

I delivered DD at 39w3d ... my cousin, who was due the week before me, delivered her DD at 42 weeks with induction.

(I had a prenatal massage the day before my water broke. I can't say for sure, but I'm clinging to hope that had something to do with it. I'll try again this time!)

Saltina11 · May 2011

I will probably eat these words when it's sweltering hot in Philly in July... but I am hoping to not have my baby before my due date. I'm a planner, and I'd like to just have my last day of work be the day before my due date (due date is a Saturday), and then actually get to spend every second of my 13 week maternity leave with my little one.

alynnr10 · May 2011

i went early with my first but i had some problems the first few months. lost a lot of weight and bled for a long time with her, but idk if that played a part in her coming early. she was born at 36 weeks my water broke and i drove 2 hours away from home before my water broke.

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