2nd Trimester

Weight gain while beginning underweight

To preface, Dr says I'm OK and my body type is more likely to gain in T3.

I began underweight (reason for having to do IVF) and gave up distance running (actually, all running) and hard workouts.  Gained 7 lbs (4# in T1 and almost 3# in the past month) and I'm 17 wks.  DH thinks I need to be eating more and showing by now.  We see a little bump (looks more like I had a large dinner), but others don't yet.  HB on home dopler is 150-160.  I def eat when I'm hungry, though, right now, if I snack, it's mostly a nectarine or strawberries, and I'm usu a sweets person, so I throw a couple bites of ice cream in there daily.  I guess some of the nagging and people saying I don't look pregnant is worrying me our 20 wk u/s will show development is slow.

Any advice?  Thanks!

March 2011: Off Nuva, cycle back to "normal" for me: No periods since 15 years old. June 2011:Provera&50 mg Clomid; Progesterone:0.7 July 2011:Provera&100mg Clomid; Progesterone:3.29 Met with RE:No Clomid response, begin injectables Sep 5 mg Letrozole and Ovidrel in the interim month. Cut out running (was a distance-runner), cycling, eliptical. Restricted to weight-training, walking, pilates. Brain MRI normal. Being physically over-stressed is the reason the body stopped producing prog. Late Sep 2011: Menopur, Ovidrel,& IUI (10.10.11):BFN-Great injectable response: 2 mature, 6 near mature, many smaller; Problem: 9 cysts! Dr: IUI too uncontrolled for number of viable eggs & age. On to IVF! IVF ER 12.6: 37 mature eggs, 27 fertilized, froze all to avoid overstimulation; FET 1.22 (2 Grade 1)=BFN; FET 2.22 (3 Grade 2)=BFP! Beta 10dp3dt=291; 12dp3dt=644; HB 3.26!! 174 bpm: Vanishing twin almost completely absorbed 10wks Baby Birthday Ticker Ticker

Re: Weight gain while beginning underweight

  • Before I got pregnant my BMI was at 19, I did not gain any weight until after 20 weeks, at my AS my belly was still very flat to the point that the tech joked with me about if we would find a baby in there. Baby measured in the 50th percentile at the scan.

    I finally started looking pg not to much to eat  between 24 and 25 weeks. You will show when you show, just think of the $ you will save only needing one season of maternity clothing! 

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  • With ds, I wasn't underweight to start with, but I was thin.  At 17 weeks I hadn't gained any weight yet and really didn't gain much weight at all until the 3rd trimester.  If your DR isn't concerned...I wouldn't worry.

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  • I was underweight to start with too. I actually got pregnant somewhat unexpectedly because I hadn't been getting periods for a while so we weren't being careful. I managed to put on enough weight that I finally had ONE period and the next month I was pregnant. Anyway, I think at 17 weeks I had gained somewhere between 7 and 10 pounds. I had a little bump at that point, but it's perfectly normal not to show until later.

    I have been using this chart, which someone else had posted on one of the bump boards a while back, to track my weight gain: https://www.indiacurry.com/women/pregcalc.htm

    I have found it very useful because you can see whether you are on track to gain the minimum, average, or maximum amount of weight gain recommended based on your pre-pregnancy BMI. For women who start off underweight, the recommended range is 28-40 lbs. At 17 weeks, a gain of 7 lbs. puts you on track to gain 28 lbs. So, it looks like you are still within the normal range for this point in the pregnancy.

    However, because you were underweight enough that it was affecting your ovulatory function, it is probably more important for you to make sure you don't gain too little. Whereas most women can afford to gain a little less than what's recommended without any negative outcomes, you don't have the same wiggle room. If you continue to gain steadily (about a pound a week), you will be just fine. But if that doesn't happen, you might want to make a more concerted effort to increase your calorie intake, whether you feel hungry or not.

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  • FTM and my bmi was 20 when I got pregnant and I have yet to gain any weight either. I've just started not looking like I just got fat this week. I'm short though so it has no where to go but out. My mom only gained 15lbs sister both me and my sister and she said that was all in the last tri. As long as OB isn't worried you shouldn't be either. We're all different. 
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  • If you were a runner, your abs are likely very strong.  Strong abs = you don't show as soon.  I didn't show with my first until I was 27 weeks, and that was only one that WE could see.  Other people couldn't tell I was pregnant until 30 weeks.  

     

    I started out underweight as well.  I gained about 30 lbs total, most of that being in the last trimester.  If your doctor is not concerned, stop listening to idiots that have no idea what they are talking about. 

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  • kelnyckelnyc member
    The number on the scale is less important than getting the nutrients you need. In  the beginning, I used the BabyFit site (I think it's part of SparkPeople) to track what I was eating before I got my pregnancy routine down. It will customize what you need for your body type, which is great. The hardest thing was getting at least 75g of protein, which has involved more low or non-fat dairy, avocado, nuts, quinoa, etc. That and the calcium and iron levels are extremely important for the baby. If you are actually hitting those levels, the weight gain will follow. 
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  • i started underweight too. once i hit 22 weeks i finally gained a few pounds. it'll come be patient

    start weight: 113

    current: 125 

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  • I second that if your doctor isn't worried and the baby is measuring fine then I wouldn't worry about it. I've started out underweight with all my pregnancies. More so the first two. 

     With my first I only gained 12 lbs and 6 lbs and 3 oz of it was the baby. I didn't start till 6 months pregnant.

    With the second my Dr. told me in the first trimester to put done weight on and I did. I gained 35 lbs by eating all my meals, snacking a lot and having desert in bed just about every night. I was showing by 12 weeks.

     

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  • It's normal for someone with abs to not show for a while. Just make sure you eat when you are hungry and try to relax a little. I'm sure you are a super healthy eater, but if you crave something - go for it once in a while. Your baby & body may need it. Make sure the baby comes first :) you'll get a bump soon! Congrats! 
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