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Fertilization
fertilization happens in the fallopian tube. the zygote that forms the embryo. yhis enters in the uterus and become joined to de wall -
inmplantation
Is when the embryo inmplants in the wall of the uterus and the embryo develop inside the uterus. -
pregnancy
pregnancy last about nine months and is diveded into three phases of three months each: fist trimester, second trimester and third trimester. -
Period: to
first trimester
during the second week the embryo is surrounded and protected by a sack full of liquid, the amnion -
Period: to
second trimester
during this period the embryo is called foetus. It's skeleton, musculature and all the organs develop. -
Period: to
third trimester
at the end of the 7 months the foetus organs are already sufficently developed for it to srvive outsiude yhe mother -
Birth
is when the baby is ready to born.
