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Pregnancy

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

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Original poster

Crossing (down) bmi categories when pregnant

12 replies

Sleeplikeasloth · 10/10/2018 20:30

For my first baby I had a bmi of 35 at booking in. For my second (9 weeks) I was pleased to see it had dropped to 30.7 without much effort. I'm struggling to eat much, not so much because of nausea (though it is there), but I just have no appetite for the first time ever.

I weighed again today (11 weeks), and my bmi has now dropped to 30.5. I have no intention of calorie counting, and even tried a shake away a few days ago, just so I was eating something (I didn't finish it!!) but if this carries on, and I fall below the 30 marker, will I still need a GTT? I hate needles so I'd rather avoid it if I can. I know they usually go on booking in weight, but it normally goes up now down!

I'm short, so I'd cross the boundary if I lose another 3 pounds (have lost 1 in the last week and a half, and definitely have lost more than that since becoming pregnant, as I'm slightly shrinking though tummy is expanding).

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NanooCov · 10/10/2018 20:40

I have no idea but I wouldn't recommend skipping the GTT. Yes needles are not nice but the consequences of undiagnosed GD are far worse.

Original poster

Sleeplikeasloth · 10/10/2018 20:45

I'm not going to skip the GTT if it's reccomended. I did it last time, and I'll do it again, but if it's only reccomended if you've got a bmi of 30+, and I fall to below that, I'm not sure if it's still needed.

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Thistles24 · 11/10/2018 09:01

I think they go by your weight at booking in- I wasn’t weighed again at all during my pregnancy, even before my section which I found a bit strange. It was all based on my weight at 10 weeks.

Original poster

Sleeplikeasloth · 11/10/2018 10:08

Yes, it's usually booking in weight, and you aren't weighed again, but I'm not sure if that applies if because of weight loss, you're no longer in the applicable risk category. They'd only weigh me again if I asked, and otherwise it will be based on booking in weight.

I'm hoping some people must have had this and know the answer? People with HG who lose a lot of weight must move down categories all the time. If someone lost several stone through vomiting, it's possible they could be obese at booking in, but regular weight by the time of a GTT...

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MsHopey · 11/10/2018 10:21

If your BMI is 29.5 and they recommend GTT checks for 30+ as much as you hate needles it would still be pretty close to the threshold and would be worth still having the test imo.
I've lost a bit of weight this pregnancy through eating carrots and cherry tomatoes instead of chocolate (more nutrients for baby) I am No where near a BMI threshold but would still take the advice for the bigger bmi as a matter of "better safe than sorry".

NC4Now · 11/10/2018 10:23

My BMI was in the healthy range but I still had to have it due to my mum having diabetes.

Original poster

Sleeplikeasloth · 11/10/2018 12:16

I'm not being awkward here, but no one seems to get the question.

I have said categorically, that if it's reccomended, I'll take it. So saying 'ooh you really should take it if it's reccomended/I needed it because of other risk factors' etc does really answer the question.

If I meet the criteria for it at booking in, but then no longer meet the criteria for it, (and they are aware of this) is it still reccomended? I'll probably just ask the doctor next week.

I know you can have the rest for other reasons, but I don't have any of those.

When I say 'I hate needles' I am probably downplaying it slightly. I have had involvement from antenatal community health in both pregnancies to manage severe needle phobia, and am likely to not sleep for several days before, vomiting with worry, needing significant input to support me having the test. I'll have it if it's reccomended, but it's not an insignificant thing to put myself through, if I don't even fit the criteria for having it!

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welshweasel · 11/10/2018 12:18

Yes you still need the GTT, irrespective of your current weight.

OutPinked · 11/10/2018 12:25

GTT is recommended for all women in my trust.

MonkeyToucher · 11/10/2018 12:33

If you had the Test with your first pregnancy, I’m pretty sure you have to have it with subsequent pregnancies even if you no longer fall into the high risk category.

My BMI was over 30 for my first pregnancy and I had the test (which was negative). This time my BMI was 27 at booking but I still need the test as I had it last time.

Does that make sense?

overagain · 11/10/2018 12:34

They go off booking weight and will not adjust that despite weight loss. I know, as I am also losing weight! I did ask, and they've said they do not adjust, up or down.

Original poster

Sleeplikeasloth · 11/10/2018 13:08

overagain, that's interesting. I thought it must happen sometimes.

My midwife said that if the bmi was below 30, I wouldn't have it, despite having the test last time, and now being over 35, so I think different trusts must have different criteria.

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