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Pregnancy

Talk about every stage of pregnancy, from early symptoms to preparing for birth.

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Original poster

Wrong Due date?

305 replies

Deanna9 · 03/06/2018 10:20

I have a question about my due date, I and my partner think it's wrong going on what we know about ovulation.

Period on the 30th Sept 17- 3rd Oct 17

Sex on the 6 oct 17

Sex on the 20th oct 17

Period on the 21st oct 17- 23rd Oct 17

This makes conception after the 20th impossible so how is my due date the 6th sug 18.

Ive not had sex at all since the 20th of October so I know I can't have gotten pregnant after that.

OP posts:

Ifuckinghatethatdog · 04/06/2018 13:07

Because my midwife told me more than once that my baby was CONCEIVED (conception occurring on implantation as she explained it to me) 12+4 weeks before my scan NOT that my lmp was 12+4 before my scan

Conception happens up to 9 days before implantation which is why There’s no definite in pregnancy.

2 ladies that both ovulated on the same day and had sex on the same day and sperm met egg on the same day could have different dues dates, and it would be determined at the very accurate 12 week scan.

Was the screening offered at the 12+4 scan or did they say you were too late? If you were told you were 12+4 from conception (which you wouldn’t have been) then you would have been dated at over 14 weeks so would have been ineligible for the tests anyway.

Original poster

Deanna9 · 04/06/2018 13:12

Midwife asked us if we wanted tests on booking in appointment, we said no and it wasn't mentioned by anyone again after that.

OP posts:

HoppingPavlova · 04/06/2018 13:20

Bet they just love it when you walk into the maternity unit.

Original poster

Deanna9 · 04/06/2018 14:05

They do see me alot as I've had three episodes of possible labour and been in 5\6 times after 28 weeks for reduced movement as I'm overly cautious about movements as my son was born as an emergency due to fetal distress. First sign of it was reduced movements.

OP posts:

Cosmoa · 04/06/2018 14:34

It doesn't matter anyway.. The baby will come when they are ready. This is why other countries have birth months!!

ForEverlong · 04/06/2018 15:24

I assume it matters if the fiancé has worked out the due date makes it impossible that it is his baby

BlueBug45 · 04/06/2018 15:33

@ForEverlong that's what paternity tests are for.

If they were married it wouldn't make a difference as legally the child is his regardless.

ForEverlong · 04/06/2018 15:35

I assume op is trying to come up with a viable scenario that explains how one of the times they had sex could result in a baby with that due date. To avoid him asking for a paternity test

ZibbidooZibbidooZibbidoo · 04/06/2018 15:45

If they were married it wouldn't make a difference as legally the child is his regardless.

Umm, I think he might be more concerned with whether it is actually his.

Dobbythesockelf · 04/06/2018 15:54

I have nothing to add to this really as it has all being explained to you. But....
You always log when you have sex on a calender? Do you do this straight after or wait till the next morning?
You haven't had sex since October?
You have an awfully regimented sex life.

Addy2 · 04/06/2018 16:20

You've not been under general anaesthetic during the conception window, have you? Or off-your-face drunk? Or had sex without being aware of it?

Takfujuimoto · 04/06/2018 16:21

I get the feeling op is someone who can never be wrong.

I would love it if you came back and told us what your MW/Consultant says though op.

Ifuckinghatethatdog · 04/06/2018 16:23

Ok I’ve showed this thread to my colleagues.

You now have 7 midwives and 1 obstetric registrar telling you that:

there is no way that you conceived this pregnancy on the 20th October
there is no way any qualified medical professional would date a pregnancy by conception date - this doesn’t even happen in ivf pregnancies where you can presume to be a tiny bit more definite about dates.
sperm would not live for more than 6 days
the egg that conceived this pregnancy was ovulated between the 8th and the 17th of November
if your baby was ‘small for dates’ or ‘big for dates’ this would be picked up. If they thought your dates were out it would be indicated by things like the development of your babies organs or the length of femur.
the only, ONLY, explaination os that you have got your dates wrong. The people you have seen are professionals. This is their job. They know a hell of a lot more about this than you.

My colleague would be interested to see your notes and scan reports. She said if you would like to email screenshots of them to [email protected] she would be happy to go over them and explain to you in more detail why you are getting muddled up.

ForEverlong · 04/06/2018 16:37

ifuckinghatethatdog 👏👏👏

Original poster

Deanna9 · 04/06/2018 16:37

Would small or big for dates only be only my 12 and 20 week scan though. Because she was measuring 28 weeks at my 26 week scan and 30 weeks at my 29 weeks scan. W
I was under the impression that only the 12 week scan was used for dating and that didn't involve them telling me head, abdominal or femur measurements just the crown to rump measurement.

OP posts:

Ifuckinghatethatdog · 04/06/2018 16:52

Oh lord.

Small or big for dates would be anything after the 20 week scan. But would include ALL measurements/developments. Your due date wouldn’t be changed.

I had it in my own pregnancy. At my 20+2 week scan my babies femur was measuring at 21+4 but all other measurements were consistent with 20+2. Guess what? My ds has long legs.

If you have had a scan at 20 weeks and your baby was measuring 20 weeks then you were 20 weeks pregnant at that date. It’s length was 20 weeks, it’s brain was 20 weeks, it’s kidneys were 20 weeks and so on.

If your baby is measuring 28 weeks at 26 weeks then you have a big baby, and would probably be offered a gtt to test for gestational diabetes. They wouldn’t change your due date as the 12 and 20 week scans were consistent.

Rachie1973 · 04/06/2018 17:25

It baffles me that you and your partner even knew where to put it quite honestly.

Violetroselily · 04/06/2018 18:37

How on earth did you get through your first pregnancy without understanding the dating process

Giveitarest77 · 04/06/2018 18:39

OP I think I been reading your thread and I there is one thing that springs to mind when thinking about the date confusion. Do you think it’s possible you were abducted by aliens and experimented on to determine if a human could carry a hybrid human/alien baby?

ZibbidooZibbidooZibbidoo · 04/06/2018 18:39

rachie

Theweasleytwins · 04/06/2018 18:45

It's from last proper period, although that was wrong for me😅though I was 15 weeks going for my first (late scan-only found out 2weeks previous) turns out I was 17+3 even though I had a full period 😅

Bluebirdsky · 04/06/2018 19:19

OP perhaps take @Ifuckinghatethatdog up on the offer to send over your notes and talk to some actual professionals about this

Original poster

Deanna9 · 04/06/2018 19:42

I may do, I'll be talking to my fiancé about it first. I'll also be talking to my consultant about it on the 11th.

OP posts:

Rachie1973 · 04/06/2018 19:48

Deanna9
I may do, I'll be talking to my fiancé about it first. I'll also be talking to my consultant about it on the 11th.

mrd · 04/06/2018 20:09

OP either you've made a mistake with your dates, made a mistake and cheated, something terrible has happened to you and you're struggling with that, or you're a medical marvel. Or troll. Whatever it is, good luck with the rest of your pregnancy.

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