Zika and MicrocephalyMicrocephaly is a birth defect in which a baby’s head is smaller than expected when compared to babies of the same sex and age.
Babies with microcephaly often have smaller brains that might not have developed properly.
Zika virus infection during pregnancy is a cause of microcephaly.
What causes small heads in newborns?
Microcephaly facts*Microcephaly is a condition where the head (circumference) is smaller than normal. Microcephaly may be caused by genetic abnormalities or by drugs, alcohol, certain viruses, and toxins that are exposed to the fetus during pregnancy and damage the developing brain tissue.
What does it mean if your baby’s head is measuring small?
Microcephaly is a condition where a baby’s head is much smaller than expected. During pregnancy, a baby’s head grows because the baby’s brain grows. Microcephaly can occur because a baby’s brain has not developed properly during pregnancy or has stopped growing after birth, which results in a smaller head size.
When should I be concerned about my baby’s head circumference?
From birth to 3 months of age the average increase in your baby’s head circumference is usually 2 cm or . 78 inches each month. When there is a rapid increase in the size of a baby’s head or skull it may be hydrocephaly if one or more of the following symptoms are also seen: Bulging or tense fontanel or soft spot.
How do you know if your baby has microcephaly?
Microcephaly is when a baby’s head is small and keeps their brain from growing as it should. Your doctor can diagnose it before or after your child is born. During pregnancy, an ultrasound may show that the baby has a smaller-than-expected head size. After birth, the widest part of your newborn’s head will be measured.