人的相貌, 包括头型都是和基因有关联的呀：） 有预防扁头的技术（见内），主要醒的时候改变睡姿

新生儿从产道拉出来还可能是尖头呢。

Flat Head Syndrome (Positional Plagiocephaly) - KidsHealth

kidshealth.org/en/parents/positional-plagiocephaly.html

Treatment. Change the head position while your baby sleeps. Reposition your baby's head (from left to right, right to left) when your baby is sleeping on the back. Alternate positions in the crib. Consider how you lay your baby down in the crib. Hold your baby more often. Practice tummy time.

Repositioning Techniques for Infants - Cleveland Clinic

my.clevelandclinic.org/childrens.../baby/hic-Repositioning-Techniques-for-Infants

When a baby always lies with his or her head in the same position, or on the same side of the face, the ... Infants should be placed on their back for every sleep.

Baby's head shape: What's normal? - Mayo Clinic

www.mayoclinic.org/healthy-lifestyle/infant-and-toddler.../in...baby/art-20045964

Jan 29, 2015 - In other cases, head shape changes after birth as a result of pressure on the back of the head when the baby lies on his or her back.