Pregnancy and Birth

Soon after, the blastocyst implants in the uterus lining,----------- form around it.

• Cell division

• Cartilage

• New structures

• Fat

How long is the 1st trimester?

• 1-4 months

• 1-3 months

• 1-2 months

• 1-14 weeks

By 9 weeks, what is the embryo now called?

• Fetus

• Child

• Infant

• Newborn

In what trimester does the baby's respiratory system fully mature?

• 1st Trimester

• 2nd Trimester

• 3rd Trimester

How long is the 2nd Trimester?

• 4-8 months

• 3-6 months

• 4-6 months

• 3-5 months

In labor, the hormone oxytocin is released.

• TRUE

• FALSE

How many weeks are required to call a baby a newborn?

• 2 Weeks

• 5 Weeks

• 3 Weeks

• 4 Weeks

How long is the 3rd trimester?

• 7-8 months

• 6-9 months

• 7-9 months

• 6-8 months