pregnancy

  Pregnancy is the carrying of one or more offspring, known as a fetus or embryo, inside thewomb of a female. In a pregnancy, there can be multiple gestations, as in the case of twins or triplets. A pregnancy lasts for about 38 weeks.During implantation, the embryo reaches the uterus and attaches itself onto the lining of the uterus. Cell division continues.

After two weeks 

  

  The umbilical cord joins the embryo to the placenta.The embryo receives food and oxygen from the mother and pass waste substances back through the umbilical cord and placenta.The placenta also stops infections and harmful substances from reaching the embryo.The embryo is also protected by a surrounding liquid enclosed by a membrane.

  After four weeks

  Eyes, arms and legs begin to form. A little tail is also visible

  After seven weeks

  

  Nose, ears and fingers can be seen.

  After eleven weeks

  

   Embryo looks like a baby. From this stage until birth, embryo is called a foetus.

    After twenty weeks

The foetus looks more and more like a human baby. The fingers and toes can be seen clearly.

  After thirty-eight weeks

 The baby is born