1. Fertilization - begins when the sperm penetrates the egg. This usually takes place 14 days after day one of a woman's menstrual cycle. This is a major event because without this there would be no baby to develope.
2. Around day 18 the heart begins to beat. This is a major time because if this doesn't happen the mother will miscarry.
3. Legs and arm buds begin to develope around 6 weeks. Any problems occuring during this time can cause the baby to be physically handicapped/disfigured at birth.
4. Week 12 vocal cords are complete and infant can silent cry in the womb.
5. Week 15 taste buds are formed and infant may be able to taste some of the mothers meals. I just found this interesting. I couldn't imagine living without these and never tasting food.
6. The sucking reflex develops around 4 1/2 months. Without this reflex the infant would not be able to nurse.
7. Hearing develops around week 17. Without proper development of this the infant could be born deaf.
8. 20 weeks sex organs are fully evident. Very exciting time for new parents to learn sex of baby.
9. Week 26 infants retinas are finishing developing and infant will start to open eyes and blink. Without proper development infant could have a visual impairment.
10.Fetus is fully formed during the last few weeks of pregnancy. This time is for the babies lungs to finish maturing and weight to be put on to help it survive in the world.
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