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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

AIBU to think that most babies born to older Mum's are boys?

103 replies

SleepFreeZone · 26/09/2017 13:27

In my own experience and just out and about at preschool and primary it seems that the older mum's predominantly have boys. Does anyone else think the same or do you think it just feels that way as I am old, have two boys and have lost two girls in pregnancy due to abnormalities?

OP posts:
Morphene · 26/09/2017 14:04

I found a few scientific studies that concluded there is no dependence on the male/female ratio in births on maternal age.

Female fetuses are more likely to survive in high stress/complicated pregnancies, which may in turn be slightly more likely in older mothers...but the correlation is with the pregnancy type, not the maternal age.

Morphene · 26/09/2017 14:05

So OP the science says YABU.....

TammySwansonTwo · 26/09/2017 14:06

Most of my mum friends are twin mums and the majority have one of each, regardless of age, so how does that work? ;)

SleepFreeZone · 26/09/2017 14:06

I think it's not so much that you are more likely to have girls or boys if you are younger, but that you are more likely to miscarry girls if you are older and subsequently carry a boy successfully. This more older mothers have boys IYSWIM.

OP posts:
SleepFreeZone · 26/09/2017 14:07

*Thus

OP posts:
FoxyRoxy · 26/09/2017 14:07

My youngest child is a girl and the older 2 are boys so anecdotally yabu Wink

Hillarious · 26/09/2017 14:07

You are wrong. The male parent determines the sex of the baby, not the female.

Henry VIII was mistaken too.

beepbeeprichie · 26/09/2017 14:09

Over 40... and one of each.

Coconutspongexo · 26/09/2017 14:12

YABU mostly because biologically/scientifically you're wrong

liquidrevolution · 26/09/2017 14:12

42 when i had DD. DH was 35.

All my younger friends and family have had boys. I have a cupboard full of girls clothes waiting to pass on Sad

foxychox · 26/09/2017 14:13

Sex is nothing to do with the mum regardless of age, but I do think that older men are more likely to have girls as the female type sperm are stronger....

SleepFreeZone · 26/09/2017 14:13

But to those arguing about sperm determining the sex, that's fine, that's conception. I'm talking about being older and managing to carry a healthy child to term.

You can conceive a girl and then miscarry the pregnancy. Then conceive a boy and successfully have a baby boy at the end. So say you're 40 and you now have a boy. You then conceive another girl and miscarry again because the baby has a disability, but conceive a boy soon after and have s successful pregnancy and two sons. To my mind you then become another older mother that I see around the place with two boys.

OP posts:
Tomorrowillbeachicken · 26/09/2017 14:14

DH was even older than me and we had a boy

SirVixofVixHall · 26/09/2017 14:14

I had two dds in my forties. (naturally, no fertlity help). Within my friends the oldest tend to have girls, although one friend had two dss at the same age as i had my dds. Female sperm are tougher , so perhaps that increases the odds of girls as one ages.

cjt110 · 26/09/2017 14:14

SleepFreeZone Why are you asking about this?

BorisTrumpsHair · 26/09/2017 14:15

also 2 dd's - in my 40's

BorisTrumpsHair · 26/09/2017 14:16

no help in conceiving here either.

OP do you think older Mum's are aborting girls Hmm?

Morphene · 26/09/2017 14:17

dear OP are you ignoring my post which states that the science indicates that older mothers are more likely to miscarry boys than girls as female fetuses are more resistant to stress during pregnancy?

whatithink · 26/09/2017 14:17

2 X boys in my 40's

BorisTrumpsHair · 26/09/2017 14:19

as a Mum of 2 girls I tend to know more Mum's who have girls IYKWIM.

people I know from before I had children have boys and girls. But the friends I have made out of the DD's friends Mum's, tend to have more girls (as my DD's friends they play with out of school are mostly girls)

SleepFreeZone · 26/09/2017 14:24

I'm asking about it as Ive just had my Harmony results and found I recently lost another girl. It struck me that I see a lot of older Mothers with boys and in my head I'm asking the question to myself that if the foetus had been male, would I have been more likely to have had a healthy baby.

I certainly don't think older women are aborting females no Confused

OP posts:
pog100 · 26/09/2017 14:26

OP are you not reading the people who are quoting the actual data?
You can speculate as much as you want about miscarriage etc. but in fact there is no age related difference in gender.

sunshinestorm · 26/09/2017 14:26

Hm I would guess it would be 50/50 just like with anybody else?

There is a chromosomal syndrome called Turners that only effects females and apparently 99% of these pregnancies end in miscarriage but no idea if this is a common reason for miscarriage.

SleepFreeZone · 26/09/2017 14:26

Morphene no I wasn't ignoring you at all.

OP posts:
SleepFreeZone · 26/09/2017 14:27

My last lost was Edwards Syndrome and I know that predominately affects females foetuses. No idea about trisomy 21 and 13 though.

OP posts:
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