1 / 27

PRENATAL DEVELOPMENT (Conception – Birth)

PRENATAL DEVELOPMENT (Conception – Birth). First Month. Fertilisation occurs Zygote plants itself in the lining of the uterus Rapid cell division occurs Embryonic stage lasts from 2 weeks to 8 weeks. CONCEPTION. First Month. Nervous system begins to develop

knox
Télécharger la présentation

PRENATAL DEVELOPMENT (Conception – Birth)

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. PRENATAL DEVELOPMENT (Conception – Birth)

  2. First Month • Fertilisation occurs • Zygote plants itself in the lining of the uterus • Rapid cell division occurs • Embryonic stage lasts from 2 weeks to 8 weeks

  3. CONCEPTION

  4. First Month • Nervous system begins to develop • By the end of the first month, the embryo is up toapprox ½ an inch long. • The heart, which is no larger than a poppy seed, has begun beating.

  5. First Month

  6. Two Months • The heart has divided into right and left chambers and blood vessels form • Head area develops rapidly • Eyes begin to form detail • Internal organs grow, especially the digestive system • Sex organs develop rapidly and gender is distinguished

  7. Two Months • Arms and legs form and grow • Weighs 1/10 ounce • The embryo is about 1 inch long and has distinct, slightly webbed fingers.

  8. Two Months

  9. Three Months • By now the fetus is 2 1/2 to 3 inches long and is fully formed. • weighs 1 ounce or 28 grams • Has begun swallowing and kicking. • All organs and muscles have formed and are beginning to function.

  10. Three Months • Head growth occurs rapidly • Bone formation begins to grow rapidly • The digestive organs begin to function • Arms, legs and fingers make spontaneous movements

  11. Four Months • Lower parts of the body show rapid growth • Bones are distinct in X-Rays • Reflex movement becomes more active • Heartbeat detected by physician • Sex organs are fully formed

  12. Four Months • Foetus is 7 inches long • Weighs 5 ounces or 142 grams • Is covered with a layer of thick, downy hair called lanugo. • This is when you may feel a first kick.

  13. 4 months

  14. Five Months • A protective coating called vernixcaseosa begins to form on baby's skin. • By the end of this month, the baby will be nearly 8 inches long • Weighs almost a pound or 454 grams.

  15. Five Months • Ears and nose begin to develop cartilage • Fingernails and toenails begin to grow • Foetus performs thumb sucking, kicking and hiccups • Foetus is 14 inches long or 35 cm.

  16. Six Months • Eyebrows and eyelids are visible. • Lungs are filled with amniotic fluid, and has started breathing motions. • If you talk or sing, the baby can hear you.

  17. Six Months • Fat is developed under the skin. • Weighs 2 pounds or approximately 900 grams.

  18. 6 Months

  19. Seven Months • By the end of the seventh month, your baby weighs about 3 1/2 pounds. • The body is well-formed. • Fingernailscover the fingertips.

  20. Seven Months • Foetus is 17 inches or 42 cm long. • Weighs 5 poundsor approximately 2 kg.

  21. 7 Months

  22. Eight Months • The baby is gaining about half a pound per week • Layers of fat are piling on. • The baby has probably turned head-down in preparation for birth.

  23. Eight Months • Weighs between 4 and 6 pounds.

  24. 8 months

  25. Nine Months • The baby is a hefty 6 to 9 pounds • Measures between 19 and 22 inches. • As the baby becomes more crowded, it may move around less.

More Related