Chapter 10 - Growth of Baby in Womb

MONTH 1:-

Baby’s sex, eye, hair colour, facial features, height and other inherited parameters are determined and the baby’s size is of approximately 2mm in the first month.

MONTH 2:-

A tiny hears begins to be at around end of first month. Facial, eye muscles, eyelids, fingerprints also begin to develop. Baby now grows inside a sac formed by a thin membrane. over the next few months, this sac gets filled with warm fluid in which baby floats. Baby’s lungs start getting formed and the brain, spinal cord, basic facial features, arms, legs stars to grow.

MONTH:-3

Finger and toe nails appear, head is made up to half of its length. Small amount of hair begin to cover baby’s body. By the end of this month, male reproductive glands in boys and ovaries in girls are formed. But no visible differences in external sex organs are identifiable so far. By end of this month (first trimester), the baby is about 2.5 inches (6 cm) long and weight is about 30gms.

MONTH:-4

By the end of this month, external sex organs become distinctly either male or female. Growth of the baby’s head slows down compared to the rest of body. Baby grows to about 5 inches (12cm) and weight is about 80gms.

MONTH:-5

Halfway milestone through the pregnancy is reached in this month and baby’s brain now grows rapidly. Baby moves inside the sac filled with amniotic fluid. Baby’s kidney start producing urine (which forms most of the fluid in sac) and is not harmful to the baby. Baby has more human appearance now and may suck his thumb if it floats up to his mouth. The baby grows to about 7 inches (18cm) and weight about 250gms.

MONTH:-6

From now on, the baby gains weight relatively more as compared to growing in length. Different organs within the body mature and bones start becoming stronger. Baby’s heart beat is now strong enough to you to clearly hear with a stethoscope. A baby’s heart beats at the rate of about 120 to 150 times a minute and one may feel the baby’s moves. Baby is about 10 inches (25cm) in length and weighs about 500gms.

MONTH:-7

From this month onward, baby grows about 25 to 30 grams daily. Baby’s eye begins to open a bit, an eyelash grows and it may react to strong light now. Baby’s bone marrow is now in full control to produce blood. Baby grows about 14 inches (35cm in length) and weighs about 1.1 kg.

MONTH:-8

Baby’s hearing capability is fully developed by now and baby reacts by loud sound. Baby is now able to hear outside voices too.

Baby gets immunity as antibodies from mother‘s blood pass in to baby’s blood. Baby grows to about 17 inches (43cm) and weighs about 1.8 kg.

MONTH:-9

Baby grows to its full size by now and growth slows down now. Baby’s finger nails are quite long but toe nails are not yet fully developed. Baby is about 20 inches (50cm) in length and weighs about 2.75kg.