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100% effective in preventing unplanned pregnancy and STD's
abstinence
ovulation
when a female is most likely to get pregnant
zygote
fertilized egg
fertilization
the union of a sperm an ovum
fetus
the name given to a developing baby between 9 weeks and 9 months
embryo
the name given to a developing baby between 2 and 8 weeks
1st stage of labor
contractions occur regularly
2nd stage of labor
baby is born
3rd stage of labor
afterbirth (placenta, umbilical cord, and amniotic sac come out)
reasons for a c-section
umbilical cord is wrapped around the baby's neck, cervix is not dilating, fetus is to big, labor is to long
Things pregnant women should avoid
nicotine use, alcohol, drug use, x-rays
Something a pregnant woman needs to have
prenatal care (regular doctor appointments, prenatal vitamins)
fallopian tubes
where fertilization takes place
Signs of pregnancy
missed menstrual cycle (period), fatigue, nausea
placenta
a filter for nutrients to get from mother to baby
umbilical cord
a passageway for nutrients to get from mother to baby
amniotic sac
provides cushioning and support
10 cm
how much the cervix has to dilate to start stage 2 of labor
miscarriage
when the baby does not survive (usually occur during the 1st trimester)
contraceptives
ways to prevent pregnancy without destroying fertility
male and female condom
only methods that prevent both pregnancy AND STD's
barrier methods
method of contraceptives that prevent semen from entering the partner
hormonal methods
The combination of estrogen and progesterone to prevent ovulation
Examples of barrier methods
Male and female condom, diaphragm, sponge
Examples of hormonal methods
birth control pill, birth control shot, birth control patch, birth control ring, birth control implant
permanent contraceptive methods
vasectomy and tubal ligation
2 contraceptive methods that can be used at the same time
male condom and birth control or male condom and natural family planning method
Note 
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