Fetal Development

      The full development in uterus takes 9 months + 7 days = 267 day. The head turns down in 32 - 34 weeks (for 1st delivery) & 36 - 38 weeks (for 2nd delivery)

Conception

Fallopian tube: A sperm must swim all the way from your vagina up through your cervix and uterus and into the fallopian tube to fertilize the egg.
Ovary: One of your eggs has broken out of its follicle in the ovary and been swept into the fallopian tube.
Ovum: Once a sperm burrows through the outer membrane to penetrate the ovum, or egg, their genetic material combines to form a new cell that soon starts rapidly dividing.
Sperm: All it takes is one sperm out of about 250 million in the average ejaculation to fertilize the egg.

One month

    Your baby is an embryo consisting of two layers of cells from which all her organs and body parts will develop.The size is about 1/4 inch. Heart begins to beat in 3 weeks.

Two months

    Your baby is now about the size of a kidney bean (1&1/2 inch) and is constantly moving. He has distinct, slightly webbed fingers, eyes & ears. Skeleton Formation takes place.

Three months

    By now your baby is around 7cm to 8cm (3inch) long and weighs about the same as half a banana(28-31gm). Her tiny, unique fingerprints are now in place. Sense organ development(first smell sense). Except lungs all organs will get function.

Four months

   
    Your baby is now about 13cm (5.5in) long and weighs 140g (5oz). His skeleton is starting to harden from rubbery cartilage to bone. Sex organ, muscles, eyelids, fingers & toe nails development. Fetal movement will be there. Open & close the mouth. Taste buds are working.

Five months

     
    Well defined face are now in place. Your baby would now be 1/2 kg weight & more than 27cm (approx.12inch) long if you stretched out her legs.Head & limb movement are more. Sense of touch.

Six months

 
    Your baby height 14 inch & weighs about a 1 kg ( 2 pounds). His wrinkled skin is starting to smooth out as he puts on baby fat.External sounds can hear now.

Seven months

     
     By now, your baby is more than 40cm (15in) long. She can open and close her eyes and probably see what's around her. Hair growth & nervous system full development. lungs can breath now. Cortex of brain development, so thinking possible. 

Eight months

       Your baby now weighs about 2.2kg & height about 18inch. His layers of fat are filling him out, making him rounder, and his lungs are well developed.Rapid weight gain. 90% sleeping time. Head turns down.

Nine months

 
    Your baby is almost due. At birth, the average baby is more than 51cm (20.5in) long from head to toe and weighs approximately 3.4kg (7.5lb), but babies vary widely in size at this stage.

DEVELOPMENT OF SENSE ORGANS

12 weeks           - Sense of Smell
13 - 15 weeks   - Sense of Taste
18 - 20 weeks  - Sense of Touch & Movement
22 - 24 weeks - Sense of Hearing
28 weeks        - Sense of Vision
32 weeks       - Sense of Thinking, Memory, Decision Making, Ideas

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