Pregnancy has always been regarded as a special time in a woman's life that also requires special protection. A misconception has also arisen that physical exertion is a threat to the delivery of a pregnancy. Despite the fact that for the last 30-40 years the vast majority of pregnant women no longer work hard physically, the fear of physical exertion has remained firmly entrenched in the public mind. Hence, there are more and more reports in the literature about obesity in pregnant women. As with everything: moderation and common sense should be exercised, but physical activity during pregnancy is said to be a definite yes!