Microcephaly

Microcephaly is a condition in which the head circumference is two times smaller than that of a normal person of the same age on a standard deviation. Microcephaly occurred relatively frequently among persons exposed in the uterus at a gestational age of three to 17 weeks.

Photograph:

Right:

A 15 year-old boy exposed in the uterus 1.2 km from the hypocenter (estimated gestational age: seven weeks).

The boy suffered general growth retardation, microcephaly and severe brain development disorder and died at the age of 16.

Left:

A normal 12 year-old boy (For control).

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