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The ovum is...
The female germ cell
Define conception
The joining of the ovum and the sperm
Two hollow tubes that extend from the the right to the left....
The Fallopian tubes
After conception, ovum and sperm join together to form a single cell...
Zygote
Define the period of gestation?
The time in-between conception and birth
The baby's development that takes place during this time period...
Prenatal development
The first two weeks of pregnancy is which stage of prenatal development?
The germinal stage
This stage of prenatal development marks when the baby is first called an embryo
The embryonic stage
This is the outermost membrane that surrounds the baby in the uterus
The chorion
A fluid filled sac that surrounds the baby
The amniotic sac
An organ filled with blood vessels, develops against the wall of the uterus
The placenta
This contains three blood vessels that connect the baby to the placenta
The umbilical cord
This stage of prenatal development starts nine weeks after conception
The fetal stage
What are three milestones that happen during the fetal stage?
Heartbeat, movements, and age of viability
Which stage of prenatal development lasts the longest?
The fetal stage which lasts 32 weeks.
Complete the statement: The baby starts as a zygote. Then it grows into a _____________ and then into an _____________.
Blastocyst, embryo
