secondary sex characteristics
hair, breast development, voice deepens
sexually transmitted infections
diseases transmitted through sexual contact
estrogens and testosterone
taking care of the baby before it's born
release of an egg
attaches baby to mother
union of egg and sperm
first 8 weeks of development
ovulation and menstruation
method to prevent pregnancy
ovaries and testes
from 8 weeks to birth
discharge of uterine lining
to nourish the baby
stages of labor and delivery
unable to reproduce
penis becomes filled with blood
stage at which one can reproduce
release of semen from penis
period when baby develops
fluid-filled sac to protect the baby
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