Fetal Growth and Development During the Second Trimester

Needless to doubt that all married couples must want to acquire offspring. When mommy is having a pregnancy, of course mommy should really pay attention to the fetal developments. However, have you ever wondered how is the fetal development in the second trimester?

End of First Trimester

At that point, the nausea and fatigue generally during the first trimester of pregnancy will gradually disappear. In the physical form, Mommy’s belly will start to look great.

The significant increase occurring in infants of course is about their ability to respond not only sound but also light. Note also that the second trimester is the safest of the three stages of pregnancy levels of course.

Fetal Developments by Weeks

At week 13 in the second trimester of pregnancy levels, the fetus is 11 weeks old now. Regarding length, fetus is around 6.5 to 7.8 cm. The weight of the fetus is about 13 to 20 grams. The fetus has also been able to suck his thumb alone.

At week 14, meaning that the fetus is 12 weeks old and has a length of 8 to 9.3 cm. The weight ranges from 25 to 45 grams. The difference is, it has fine lanugo hair, and the function of liver, spleen, and pancreas have been running.

At week 15, the age of the fetus is actually 13 weeks. The length is 9 to 10.3 cm. He has been able to breath, swallow, and suckle.

At week 16, the fetus already has a length of 10 to 12 cm. The weight is already 80 to 110 grams. But the fetus is still in thin skin of course.

At week 17, the fetus already has a length of about 11 to 13 cm and weight of about 110 to 140 grams. A significant difference is to start the formation of body fat that protects the fetus to keep warm.

At week 18, the length of the fetus is 12.5 to 14 cm. As for weight, the fetus already weighs about 120 to 150 grams.

At that age, the fetus has begun to actively move like kicking, rolling, and so forth. Fetus has also begun to respond to the sound.

At week 19, the length of the fetus is around 13 to 15 cm, while the weight is 200 grams. This age is the most suitable for reading stories to the fetus for sure. 

At week 20 of pregnancy the second trimester, the baby has length around 14 to 16 cm and has weight of 260 to 300 grams. The fetus has started to swallow amniotic fluid.

At week 21, the fetus already weighs 300 grams and also digestive system is functioning properly.

At week 22, the fetus weighs about 350 grams. Formations of the eyes, eyebrows, and lips have been seen clearly.

At week 23, Mommy may be aware that the baby's weight ranges from 455 grams, and the fetus is very active at night.

Week 24 the fetus accumulates more and more fat.

At week 25 and 26, the fetus is able to open his eyes. If you want to know more, find the information of 6-month pregnancy from various media.