Your pregnant body is wired to tell you a lot about what movements feel right and wrong. There are also guidelines and experts to advise you on what aerobic exercise is and isn’t safe in pregnancy. The best advice is to combine the messages of your own body with the advice of a pregnancy exercise professional. This will help you find the type and level of cardio exercise that is right for you, on any given day, at each stage of your pregnancy.
Cardio exercise IS safe to do throughout pregnancy for most expectant mums. But, bear in mind you are looking for maintenance of your general fitness, rather than an increase in aerobic capacity or performance. You may see female athletes on TV sprinting 100m at 6 months pregnant. However, this is not considered safe for all. Moreover, the jury is still out on exactly how much and what intensity of cardio exercise is safe for the average mother to be and her unborn bub.