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Conception

When's the best time to get pregnant? Use our interactive ovulation calculator to work out when you're most fertile and most likely to conceive.

How fat is too fat?

43 replies

HeresMeh · 08/01/2018 15:03

Hey everyone,

Looking for your opinions or personal experience stories out of sheer intrigue and interest.

How big is too big to conceive? Did you have to shift a bit of timber before you conceived your first? Or are you TTC #1 and struggling due to weight?

I'm currently 16st 4lbs after losing over a stone and a half since August. My current BMI is classed as 'morbidly obese' at 35.7 - and although I take these stats with a pinch of salt, because I don't think I look gigantic and I know I have a good level of health and fitness, I'm just wondering what your feelings and experiences are with weight and TTC?

I'm only on cycle 2 of TTC #1, but as is the case when you're in a 2WW, the mind wonders and you start thinking down a path of 'maybe I won't conceive cause I'm a gigantor!'

Look forward to hearing from you x

OP posts:
New posts on this thread. Refresh page
AnnieFannie1982 · 08/01/2018 23:28

Oh, if you do get pregnant speak to your GP about increased folic acid dose from early on.

AnnieFannie1982 · 08/01/2018 23:25

Obviously nothing more than an anecdote, increased risk, difficult to conceive etc etc etc.

My last daughter was conceived in the first month of trying. My BMI was 40. Pregnancy was fine. No diabetes. I was offered a dietician and took them up on the offer. Most HCP were very chilled about it. I had a planned section under general anaesthetic (unrelated to weight) and nobody even mentioned it.

I weighed at 6 weeks post partum and was roughy the same weight as when I conceived.

AccrualIntentions · 08/01/2018 21:49

I've wondered with the increased risk of GD - are you more likely to have GD because your obese or does the fact you were susceptible to GD have something to do with the fact you're obese in the first place? (Obviously not in all cases.)

My weight crept back into the obese range while pregnant. I did get GD (as did my normal weight sister, incidentally). This meant I had a much more medicalised pregnancy and delivery which was a shame because I had an otherwise pretty much perfect pregnancy, bit of heartburn and that was it. I was still walking 5 miles a day the day before I went in to be induced. No pain, no swollen feet or trouble sleeping, no new stretch marks. DD was large but not huge, and not any bigger than expected given in 5'10" and DH is 6'5".

I'm not convinced it would have been any different if I was thin but I'll still be making an effort to lose weight before any future pregnancies to give myself a chance.

winterwarmers · 08/01/2018 21:33

With my first I had a bmi of 42 and I did get gestational diabetes however, I had a natural 3 hour and 45 minute labour and only 30 mins pushing. Overall my pregnancy was fine more appointments but resulted in an 8 lb 7 baby. I'm currently ttc baby no 2 and my bmi is now 37. Something and I'm still losing.

You can lose weight whilst pregnant I lost 1.5 stone didn't show till 2 days post birth

CrumpettyTree · 08/01/2018 20:33

What about a weight loss club op? I find the support, structure and motivation they give you helpful.

FairfaxAikman · 08/01/2018 20:22

I was about the same weight as you when I conceived OP. I had lost three stone by that point though.

HoneyCake86 · 08/01/2018 20:12

Jesus genever lay off abit. Fair play you posting evidence n stuff your points are valid, but you don’t have to go harsh on her about it and accusing her of this n that. Its mumsnet not a boot camp.

HeresMeh · 08/01/2018 20:02

Oh god @LookingAtTheStars89 no no no... I'm not having a go at all! Honest!

Just spouting my own thoughts onto the thread Smile nothing comes across very well over a screen does it? Haha...

OP posts:
LookingAtTheStars89 · 08/01/2018 19:57

@HeresMeh. Sorry op. I wasn't advocating bad living either. I lived like a saint when I was pregnant and that's the point I was trying to make. I didn't meant to imply that I was munching on a bars bar for breakfast and 50 big Macs for lunch lol. Good luck to you!

UserOneBillion · 08/01/2018 19:54

I had a BMI of 34 at the point of conception. I conceived in my first cycle. I was 37.

I had a low risk, healthy pregnancy, all stats/tests/blood pressure on the good side of average throughout.

I had an absolute shitter of a delivery though, I supposed something had to give. I imagine if I was younger, thinner and fitter I’d have stood a better chance of a ‘natural’ and timely delivery.

I had so much good luck, conceiving DD, carrying her healthily, I thought I would have much more trouble than I did. And I’m grateful, daily, that I have a healthy little girl.

I guess what I’m saying is that though there are lots of factors involved, a lot of it is pure, blind, luck.

HeresMeh · 08/01/2018 19:52

Hi @CrumpettyTree  thanks for the lovely compliment! Appreciate that xx

Hi also to @MsJuniper - I'm 30 years old and as I say we're on our 2nd cycle TTC #1. So for me currently I'm not worried about the process and thinking I have any problems to be concerned about. My practical head is telling me to just get on with the weight loss, after a bit a slow down over Xmas, and really give myself the boost I need to get pregnant.

Isn't it so interesting that we all have such different stories and experiences? To @cakeanytype having positive experiences and @genever at the other end of the scale having a super impressive 19 BMI!

The intent isn't for this thread to rile anyone up and cause arguments. Also should note that I'm not advocating ill health and bad living during a pregnancy.

It's just nice to chat to different people with different stories Smile

OP posts:
AccrualIntentions · 08/01/2018 19:47

Also I think if your BMI is under 35 at booking in (9-10 wks) then you are likely to have more birth choices eg using a birthing centre - this is the case in my hospital.

At mine your BMI has to be below 35 when you're weighed at 28 weeks by the midwife to be able to use the birthing centre.

cakeanytype · 08/01/2018 19:42

Tht I agree with juniper ... u do lose out on birthing options ....

Nobody is perfect ... you hear to old to young , fat and small .. it's individual.. if you think losing weight would be useful then do it ... they can't tell older women to stop having babies right? It would be discriminatory... yes being in the middle would be better ... but there are lottts of bigger ladies giving birth and the proof is in the pudding 😂

MsJuniper · 08/01/2018 19:21

Also I think if your BMI is under 35 at booking in (9-10 wks) then you are likely to have more birth choices eg using a birthing centre - this is the case in my hospital.

MsJuniper · 08/01/2018 19:18

How old are you OP? (Sorry if I've missed this info)

I have real difficulties ttc in my late 30s and unfortunately dealt very badly with multiple mc leading to a high BMI. Currently 28 weeks (age 41) and this pregnancy did come after losing more than 2 stone (although I did take other action too). Physically I am pretty tired and have gestational diabetes although have had no other issues. I would have preferred to lose more though.

If time is on your side, I'd take a couple of months off ttc and get your BMI down further, nearer 30 if poss. You can do this in a sensible way (you sound very sensible) and focus on nutrition so your body is the best it can be to carry a baby.

CrumpettyTree · 08/01/2018 19:10

Op i like your posting style. Smile Your mention of gigantors and fat bastard made me laugh and you were sweet to other posters. I wish you the best of luck with ttc

genever · 08/01/2018 19:03

This reply has been deleted

Message withdrawn at poster's request.

cakeanytype · 08/01/2018 18:54

Ahhhh ur all chatting poo .... lol .... I weighed 22 stone n had my first .. no issue ... I weighed 18 with my second ... 18 with my 3rd ... I then lost eight stone n had my fourth ... I put five stone whilst pregnant n lost it ... now I'm on my fifth ... iam 14 stone n 6,1 .... I've experienced being obese n not ... depends on the individual.... now go shove a old mince pie n b quiet 🤫

MrsDishavingaB · 08/01/2018 18:50

@HeresMeh my DH and I were trying for a year and in that time I fell twice, both lost before 6 weeks. I was 16st at the time.
Living situations and jobs changed so we gave up for a year.
When we started trying again I fell on cycle 3, I was 17st7lbs and had recently lost a stone. I had an mmc at 11 weeks. It took me months to recover (mentally and physically) and we didn't get round to trying again until July last year. It was super casual and I wasn't expecting anything to happen esp as I had gained weight. We caught straight away. I'm now 28 weeks and having a perfectly fine pregnancy. All hormone/vitamin/bp levels have been perfect, scans haven't been an issue and I've actually lost weight. I don't have gestational diabetes even though the consultant said I would "obviously get it".
There are a lot of negativities towards larger women becoming pregnant and so many healthcare professionals are under the impression that every complication is an absolute certainty. Obviously it's not the healthiest but it's not impossible to have an uncomplicated pregnancy.
Do all that you need to do and carry on the great work of losing weight, take prenatal vits (I recommend the 7 Seas ones!) and just keep trying. You will fall pregnant when your body is ready for it. Good luck!!

LookingAtTheStars89 · 08/01/2018 18:13

@genever. I am sure that's true in some cases. Likewise, being could have the same affect. Being over 35 could have the same affect too. It wasn't luck that I had successful pregnancies whilst being "obese" at all. They were successful because I might have been heavier but I was as The original poster made reference to "fit and healthy" so to speak. I think there is obviously a limit and when you get to the point where your weight is affecting your periods and general health, fair enough.
The BMI system is completely flawed - if you worked out a lot and had heavy muscle mass, you would step on the scale and the DR. would tell you that you were obese but you wouldn't be.
As for being able to keep a check on baby then if your weight isn't all on your stomach then there shouldn't be a problem finding baby. I've had abdominal scans at 6 weeks and been able to find baby just fine.
It never hurts to lose a few pounds, obviously but to say that it's the be all and end all is in my opinion, a bit much. Sorry if this has annoyed anyone.

sausagerollsrock · 08/01/2018 17:46

I'm overweight (can't actually remember my bmi) but im not drastically overweight.
Ive fallen pregnant very early easily, twice in 9 months first ended in miscarriage at 12 weeks.
It's not ideal but I'm 20 weeks tomorrow and feel fantastic. Midwife says everything's great aswell. I've only gained 2.5lb and I'm trying to shift that by continuing with slimming world.
Keep working on the weightloss but continue with ttc and see what happens. Good luck.

RavingRoo · 08/01/2018 17:36

Depends if you want NHS IVF treatment or private. Private clinics will often see you with a 35 on the dot BMI while all NHS referrals Only go up to 30.

LyraPotter · 08/01/2018 17:33

The general consensus now seems to be that if your weight isn't interfering with your cycle (e.g. If you are having regular periods and have no unusual menstrual symptoms) then your weight probably isn't affecting your fertility. Once you are pregnant you are at a slightly increased risk of some issues like diabetes, but it isn't much of an increase. Good luck OP, wishing you all the best!

AccrualIntentions · 08/01/2018 17:04

I got my BMI down to below 30 from 37 to be eligible for treatment once referred to a fertility clinic (Clomid, due to anovulatory cycles). Losing weight made no difference to my cycles etc or other PCOS symptoms - perhaps it would have done if I'd lost more.

genever · 08/01/2018 17:02

This reply has been deleted

Message withdrawn at poster's request.

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