Fetal Growth Calculator

Weeks: Fetal Weight (grams):
WeeksFetal Weight (grams)Remove

    Under normal circumstances, the fetus' inherent growth potential yields a newborn of appropriate size with a wide range of normal sizes. The maternal-placental-fetal units act in harmony to provide the needs of the fetus while supporting the physiologic changes of the mother. Limitation of growth potential in the fetus is analogous to failure to thrive in the infant. The causes of both can be intrinsic or environmental.

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