Sex-linked single-gene disorders usually affect - ✔✔ males
Before the twentieth century - ✔✔ nurse midwives were often used during labor
A preterm baby is one born more than - ✔✔ 3 weeks early
During the first stage of labor the cervix must thin out or - ✔✔ efface
The first stage of labor, when the cervix opens wide enough to allow the baby to emerge is called
- ✔✔ dilation and effacement
Amniocentesis involves - ✔✔ inserting a syringe into the uterus and extracting a sample of
amniotic fluid
_____ put(s) about 30 pounds of pressure on the cervix to expand its shape - ✔✔ Contractions
During pregnancy, expectant fathers are apt to report experiencing - ✔✔ stress
The primary risk with smoking during pregnancy involves - ✔✔ giving birth to smaller-than-
normal baby
A fertilized ovum is called a - ✔✔ zygote