Fetal short legs found in 32 weeks’ checkup may be related to insufficient nutritional intake during pregnancy, small actual gestational weeks, fetal chromosomal abnormalities, and so on. 1. Inadequate nutritional intake during pregnancy: If a woman is partial to food, picky about what she eats or loses her appetite during pregnancy, she may lack calcium, protein and other nutrients, resulting in insufficient nutritional intake for the fetus and short legs. 2. Actual gestational week is small: some women may be due to irregular menstrual cycles, resulting in late development of fertilized eggs, the actual gestational week is small, so some of the actual gestational week is less than 32 weeks of female medical pregnancy checkups, there may be short legs of the fetus phenomenon. 3. Fetal chromosomal abnormalities: adverse environment, parents chromosomal abnormalities, parents carry mutant genes can cause fetal chromosomal abnormalities, which can be manifested in developmental abnormalities, such as short legs. For those who are found to have short legs at 32 weeks of pregnancy, further detailed examination should be done to clarify whether the development of the fetus is abnormal or not.