what's considered strenuous for first trimester?

glenrapids · May 2011

i've read in a few places that strenuous exercise during the first trimester can lead to miscarriage. i am about 8 weeks pregnant and started my regimen in early february. i do an hour of weights (strengthening class with 5 pound weights) followed by an hour of either zumba or kickboxing. i did this about 2 times per week and upped it to 3 times per week starting last week because i feel stronger. so that's about 6 hours of exercise per week, not including walking, and according to the danish study, women who exercised 7 hours were three and half times more likely to miscarry. should i lay off a bit?

here's the link: https://news.bbc.co.uk/2/hi/health/7014828.stm

thatjessie · May 2011

With my last pregnancy I was told that I could do whatever I had been doing previously with no worries. If you are worried about it contact your ob. Strenuous is different for everybody.

christinaramirez08 · May 2011

I t hink that article is rubbish. I've read the complete opposite. Doctor's used to tell you to keep your heart rate below 145, but now they say it really depends on the level of activity one had before getting pregnant, whether they are high risk and other factors.

So, if you were working out before getting pregnant, there is no reason to stop now. However everything that I've read says not to increase the duration or intensity once you do become pregnant. I would also stop doing kickboxing once you are in the middle of your 2nd trimester. The constant up and down movement is not recommended.

SFAug07 · May 2011

Obviously not statistically significant, but I continued my regular running routine of about 60 miles per week in both my pregnancies in first tri and never had any issues.

1220winterbride · May 2011

I think you should check w/ your doctor. based on your age, risk factors and health history, etc.

GL!

cesehorn · May 2011

Strenuous is different for everyone and what your body is used to. If you were doing it when you conceived then you should be able to continue until you are unable in some way -- normally discomfort of some form, i.e. pressure on bladder from a bike saddle that makes you have to pee incessantly.

I know that I tried listening to the docs the first bit about keeping hr low (under 140)and everything, but my bp was actually increasing with each visit. I stopped worrying about it and my bp has dropped drastically. LO still moves a ton and lets me know if I move in a way that it doesn't like, but other than that, nothing really different here.

blu-eyedwife · May 2011

Your body should definitely let you know when something is too strenuous - either while you're doing it or shortly after.

MesmrEwe · May 2011

If it's any idea, I earned a nat'l championship the week I found out I was expecting and am still lifting weights the average man would be proud of. The key - using your BRAIN and LISTENING to your body. If you weren't doing "it"(sport) before you got pregnant, don't suddenly start because you're pregnant. College of OB/GYN is a good resource for what to do/not do when you're expecting and lists some key signs to look out for. Like you were doing before, if it feels like you need to take a step back on any given day, DO IT! As the old farmer's saying goes, "Make hay when the sun shines". You'll have good days and you'll have not so good days when expecting, just follow your body's cues for how you're feeling on any given day, make sure you're well hydrated, well rested, and eat something quick digesting before you train.

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