Growth of Fetus on Second trimester

14th Week

The muscles are growing and more organized. Mother can feel when the fetus is kicking and moving.

15th Week

It has adult's taste buds now. And the skin starts to appear.

16th Week

It's 5.5 inches tall and weighs 170.1 grams. Some of the hairs had appear, such as eyebrows and eyelashes. Now it can kick and grasp its hand. The eyes are sensitive to light.

17th Week

The fat stores began develop to provide energy and makes it warm.

18th Week

It starts to be able to hear some voices and able to swallow.

19th Week

Now the kidney produces urine and it excreted to amniotic sac. Protective paste covers the ears.

20th Week

Now it can hear and recognize mom's voice. The fingernails and fingerprints started to appear. Sex organs are visible. There's probability that it will be survived when born at this age.

21st Week

It began to absorb small amounts of sugars through swallowed amniotic liquid. Now, its bone marrow able to produce blood cells.

22nd Week

It weighs about 500 grams. The uterus and ovaries are in place. But for baby boys, their testes descent from abdomen.

23rd Week

The skin becomes less transparent. Lungs prepared to function before fetus born. The body produces surfactant (substance which allowed air sacs in the lungs to inflate).

24th Week

Lanugo (downy hairs) grows and covered with waxy skin (vernix). The sense of balance have developed It started to be able to breathe by inhaling amniotic fluid to the developing lungs

25th Week

The hand has fully formed thought the nerve connection hasn't finished. 

26th Week

It weighs about 0,75 kg-1 kg. The eyelashes and eyebrows are well formed. The hairs on head are plentiful and longer.

27th Week

The lungs, liver and immune system began more mature. The size tripled from 12 weeks. If fetus born at this age, the survival percentage would be 85%.