Reproduction
This male reproductive cell is needed to fertilize an egg.
Sperm
This is the average number of days a typical period lasts.
3-7 days
This is the period of development from fertilization to birth.
Gestation
This is the most common way STDs are spread.
Sexual contact
This is the name given to a baby before it is born
fetus
This is the average length of a menstrual cycle.
28 days
Pregnancy lasts about this many months
9
What is the only guaranteed way to prevent STDs?
Abstinence
This organ produces eggs in the female reproductive system.
Ovary
The key role of the male reproductive system
produce sperm cells
This is the organ where a baby develops during pregnancy.
Uterus
Wearing this during sexual activity helps reduce the risk of STDs.
Condom
This process occurs when a sperm cell fertilizes an egg cell
fertilization
This happens when the egg is not fertilized by a sperm
menstruation (period)
This connects the placenta to the fetus and allows oxygen and nutrients to be delivered to the fetus.
Umbilical cord
This form of contraceptive lasts 5-10 years
IUD