Of pregnant women use 3

1, electric blankets

Pregnant women use electric blanket power, generate electromagnetic fields affect the fetus of cell division, bone defects of the baby, lead to deformity.

2, essential balm

One of the main components of essential balm--camphor, its infiltration capacity is strong. Camphor cross the placental barrier into the amniotic cavity, to the disadvantage of the fetus.

3, vitamin a

Class is retinol vitamin a, retinol category can cause some birth defects, such as ear malformation and cerebral Dysplasia, cleft palate, heart defects, and so on. Therefore, pregnant women and doses of vitamin a to pregnant women a day, no more than 8,000 international units.