Why do some people describe pregnancy as lasting ten months?

[Overthemoun]

I have seen this a few times recently and I do not understand the thinking. Average is 40 weeks. 52 weeks in a year. 52/12=4.333. 40/4.333=9.231

Also, whilst they count your pregnancy as from your last period, it’s much more like 38 weeks.

Do the people in 10 month pregnancy have 13 month years?

Literally no-one describes pregnancy as 10 months. Like no-one. You are the only person I have ever seen to say this.

But if they do, I presume they’re going on 1 month = 4 weeks, therefore 40 weeks = 10 months.

Also - who fucking cares?

I had a 42 weeker and then a 37 weeker. So 9 months and 10 months 😂😂

I guess some people think of a month having 4 weeks and 40/4 being 10.
But obviously, some months are 5 weeks.

But honestly I’ve never actually heard anyone say 10 months 😂

It's closer to 8 months than 10 months

Cos you aren't even pregnant for the first month

When you're overdue by 17 days, you can call it whatever the fuck like.

I've seen it plenty of times...

Anyway, I assume it's because they think of a month as four weeks.

I’ve seen a few people say that. Even someone I know personally went on about how it’s actually 10 months.

It’s because these people are too thick to realise that 4 weeks does not equate to one month!

I didn't care but my brother and his ex-wife did a calculation using the 10-month method to surprise me and tell me that I was a "bastard" child.

Lovely conversation with those two! I never grasped the maths but was overjoyed to learn I might have different parents since mine were telling me that whatever brother said wasn't true! 😆

Literally - you're wrong.

I've heard this too OP, and I can only imagine it's because some people think a month is 4 weeks

Average month has 4 weeks. 10x4=40.

Same. I used to wonder about it too.

They don't though? Only one month out of the year has 28 days.

urm… no months are 5 weeks long…

Surely since forever pregnany has been stated to be 9 months. It’s more recently that we talk about in terms of the number of weeks at 40 weeks.

Some people mistakenly think that the average month is 4 weeks long when in fact it is 4.35. That must be why they get confused and think it’s 10 month when in fact it’s 9 months. Or 9.2 months to be exact based on 40 weeks.

That was the pedants reply for you. 😂😂

No, it doesn’t. An average month has 4.33 weeks.

The answer is because they cant do maths.

If you are allocating weeks to months (for example for financial accounting) you allocate 4/4/5, so out of every 3 month period you have 2 months with 4 weeks and 1 month with 5 weeks.

There are 4.33 weeks in a month (52/12), and so every three month period has 13 weeks.

My last pregnancy felt like it went on a lot longer 🤪😮‍💨

Fuzzy maths.

Obviously I wasn't pregnant for ten months, but I'd already started been sick six days after conception in December. My hormones were still even after birth, and I was still being sick in the September, so close to ten months!

Aisling Bea does an entire segment on it in her show!

This calculation is like Trump’s percentage wizardry. Utter nonsense.

Most months have 31 days which is 4.42 weeks.

Personally I think it’s clearer to count in terms of weeks and easier to see a month as a period of 4 weeks. But obviously we don’t do that. Therefore it seems logical to me that a 40 week pregnancy is 10 months not 9 months. But Ive never heard anyone else refer to it that way . As it was I did have a 9 month pregnancy - 36 weeks.

I had a doctor say it to me- seeing your body is 10 months as an incubator… so I actually do say 10 months too!!

This. The only explanation is they are stupid!