In traditional cultures, prenatal massage .

A. is almost exclusively performed by the pregnant mother herself in complete isolation
B. has beneficial effects for both mother and fetus
C. is usually considered dangerous
D. is usually done only when there is reason to believe that the fetus is not developing properly

B. has beneficial effects for both mother and fetus.

Explanation:

Prenatal massages help in pregnancy because they reduce stress and anxiety. Additionally relaxes tension parts such as the back, shoulders, neck, back and feet, all overloaded by the baby's weight. It should be borne in mind that newborns had lower cortisol levels when their mother was massaged.