If I am 20 weeks, how many months am I? — The Bump
2nd Trimester

# If I am 20 weeks, how many months am I?

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I turned 20 weeks today (whoo hoo!!).  I am trying to figure out how you count how many months you are based on weeks.

My co-worker said 4 weeks does not equal 1 month in the pregnancy world.  I would think since I am 20 weeks I am 5 months - 2 weeks into being 5 months so I could also say I am 4.5 months. Is this correct?

## Re: If I am 20 weeks, how many months am I?

• I just tell people in weeks, if they look at me funny I round it or say about four months.
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• 17.5 weeks is 4 months, every 4w3d is one month.
• http://www.i-am-pregnant.com/Pregnancy/calendar/week/1

If you punch your due date into the right hand side of the screen, it will tell you how far along you are in months.

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• If you're 20 out of 40 weeks in, you're halfway through your pregnancy, or about 4.5 out of 9 months. Each month is >4 weeks anyway, in pregnancy or otherwise (except for non-leap-year Februaries).
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I'd tell people about 4 1/2 months.

bfp#4 3/19/2014 edd 12/1/2014 please let this be the one!

beta @ 5w0d = 12,026! u/s 4/22/14 @ 8w1d it's twins!

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4 1/2. You're halfway done, half of 9 is 4 1/2. But I just say weeks myself.

BFP #1 5/1/10, missed mc dx 6/4/10 BFP #2 8/5/10, baby boy arrived 4/25/11
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seeing how 20 weeks is half way through 40 and they say you are pregnant for 9 months I would say 20 weeks is 4 and a half months.
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• Pregnancy months are generally counted in Lunar months, which are 4 weeks each.  That is why they also say you are pregnant for more than 9 months.

But medical people will always count in weeks, because it's more accurate.

• member
I think it's easier now to count back from your due date and assume a 9 month pregnancy.  My EDD is about 4 months away so I'd say I'm about 5 months if someone asked.
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4.5 mos.

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Depending on who I am talking to, I say weeks or months.  If its a woman who has had a baby I say in weeks.  Men or people who don't have kids I usually say in months.

Even though it doesn't work out perfectly, in my head 4 weeks=1 month, so 20 weeks would be 5 months.

M/c #1 - 10/30/07 - 5w3d, DS1 - born at 36w, M/c#2 - 12/7/09 - 5w, M/c #3 - 1/13/10 - 4w6d,
M/c #4 - 3/16/10 - 5w1d, DS2 -  born via VBAC at 40w3d, M/c#5 - 11/5/12 - 7w2d
BFP #8 - 5/5/13- Looks like a sticky one! DS3 - born via epi-free VBAC at 39w1d

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SavageCarmina:

Pregnancy months are generally counted in Lunar months, which are 4 weeks each.  That is why they also say you are pregnant for more than 9 months.

But medical people will always count in weeks, because it's more accurate.

They say you are pregnant for more than 9 months because 40 weeks is actually 9 months and 1 week.

bfp#4 3/19/2014 edd 12/1/2014 please let this be the one!

beta @ 5w0d = 12,026! u/s 4/22/14 @ 8w1d it's twins!

• member
• RayRay007:
SavageCarmina:

Pregnancy months are generally counted in Lunar months, which are 4 weeks each.  That is why they also say you are pregnant for more than 9 months.

But medical people will always count in weeks, because it's more accurate.

They say you are pregnant for more than 9 months because 40 weeks is actually 9 months and 1 week.

But a lot of websites, books, etc. will tell you you are "actually pregnant for 10 months!"  Which is true, if you are counting in lunar  months.

::shrug::  I don't agree with it, I just calls it likes I sees it.

• RayRay007:
SavageCarmina:

Pregnancy months are generally counted in Lunar months, which are 4 weeks each.  That is why they also say you are pregnant for more than 9 months.

But medical people will always count in weeks, because it's more accurate.

They say you are pregnant for more than 9 months because 40 weeks is actually 9 months and 1 week.

but keep in mind it's counted from the LMP, so the first 2 weeks, you're not pregnant yet

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