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Fetal Development

Fetal Development. Month by Month. First Month. Day 1: Conception . . . Sperm fertilizes egg Day 7: Implants on the wall of the Uterus Day 18: Heart begins to beat.

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Fetal Development

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  1. Fetal Development Month by Month

  2. First Month Day 1: Conception . . . Sperm fertilizes egg Day 7: Implants on the wall of the Uterus Day 18: Heart begins to beat • By the end of the first month, the embryo is about 1/10 of an inch long. The heart, which is no larger than a poppy seed, has begun beating.

  3. First Month

  4. Two Months • The embryo is about 1 inch long and has distinct, slightly webbed fingers. Veinsare clearly visible. The heart has divided into right and left chambers.

  5. Two Months

  6. Three Months • By now the fetus is 2 1/2 to 3 inches long and is fully formed. He has begun swallowing and kicking. All organs and muscles have formed and are beginning to function.

  7. Four Months • Your baby is covered with a layer of thick, downy hair called lanugo. His heartbeat can be heard clearly. • Baby is moving around but can not be felt You can find out the sex of the baby at this time

  8. 4 months

  9. Five Months • A protective coating called vernix caseosa begins to form on baby's skin. By the end of this month, your baby will be nearly 8 inches long and weigh almost a pound. • This is when you may feel your baby's first kick.

  10. Six Months • Eyebrows and eyelids are visible. Your baby's lungs are filled with amniotic fluid, and he has started breathing motions. If you talk or sing, he can hear you.

  11. 6 Months

  12. Seven Months • By the end of the seventh month, your baby weighs about 3 1/2 pounds and is about 12 inches long. His body is well-formed. Fingernails cover his fingertips

  13. 7 Months

  14. Eight Months • Your baby is gaining about half a pound per week, and layers of fat are piling on. He has probably turned head-down in preparation for birth. He weighs between 4 and 6 pounds.

  15. 8 months

  16. Nine Months • Your baby is a hefty 6 to 9 pounds and measures between 19 and 22 inches. As he becomes more crowded, you may feel him move around less. • Lungs are maturing

  17. Survival rates for babies born earlyBy 24 weeks or 6 months 56% of babies will surviveBy 25 weeks-just one week later it increases to 79% survival rate

  18. Alexander Tsiaras: Conception to birth -- visualized - YouTube

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