There are numerous dos and don’ts when it comes to pregnancy. The most common ones pertain to diet and exercise — what pregnant women must (or must not) eat or do to maintain her as well as the baby’s health. As such, when a Twitter user asked whether a pregnant woman should weightlift, we also wanted to know the answer. Sharing a video on the microblogging site, he asked, “I can’t believe! Isn’t that bad for the baby?”