How many sperm are capable of fertilizing an egg?

Another term for the egg is

The stage of development beginning at fertilization and lasting for 16 days?

Transparent sac filled with fluid that surrounds the embryo and fetus

A fertilized egg

The union of the nuclei of the egg and sperm

Fine hair covering the fetus' body

The time of growth before birth is called the ___________ period.

Length of time from conception until birth is the _____________ period.

In which Stage of Prenatal Development: primarily a stage of growth?

In which Stage of Prenatal Development: the heart begins to beat?

In which Stage of Prenatal Development: formation of the amnion, yolk sac, allantois and chorion?

In which Stage of Prenatal Development: Encompasses the time of the zygote?

In which Stage of Prenatal Development: Differentiation of germ layers into organs and organ systems?

In which Stage of Prenatal Development: brain waves are detectable and heartbeat can be heard with a stethoscope?

The stage of labor when the baby is born

The stage of labor when the fetal membrane ruptures or "water breaks"?

Process by which mammary glands produce and secrete milk is called

Before milk is secreted, the mammary glands secrete a yellowish fluid called

The secretion of the hormone _____________ causes milk to be released or "let down" into the mammary ducts.

The growth of ducts throughout the mammary glands is stimulated by the high levels of ____________ during pregnancy.

The production of milk is initiated by the secretion of the hormone

When a baby is being born buttocks first, it is said to be

The minutes following birth, the baby is evaluated using the _______________ scoring system.