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Human Reproduction

By Ibon100
  • Fertilisation

    Fertilisation

    Fertilisation is the fusion of a male and a female gamete.
  • Implantation

    Implantation

    Implantation is when the ovule implanted in the uterus.
  • First Trimester

    First Trimester

    During the second week, the embryo is surrounded by the amniotic sack. The embryo produces an organ called the placenta.
  • Second Trimester

    Second Trimester

    During this period the embryo is called a foetus
  • Third trimester

    Third trimester

    At the end of the seventh month , the foetus organs are already sufficiently developed for it to survive outside the mother. When he has ninth months it´s ready to be born
  • Birth

    Birth

    Just before the baby is born, the bag of amniotic fluid arount it bursts. This is called the breaking of the waters. Contractions of the uterus force the baby out. This is called labour. After the baby is born the umbilical cord is clamped and then cut
  • Afterbirth

    Afterbirth

    About fifteen minutes after the birth the placenta is deliverd. This is the afterbirth