How old is the 18-week fetus?

Pregnant 18 weeks, the fetus is about 20 cm long, weighs 300 grams, external genital development is more mature, scalp hair has begun to grow, respiratory movement will gradually show, but also has the function of swallowing, urination. In addition, limb movement is also increasing, at this time sensitive pregnant women will begin to find obvious fetal movement, it is recommended to do small row abnormal examination, understand the growth and development of the fetus. Pregnant 18 weeks, belongs to the mid-term pregnancy, about a horizontal finger under the umbilicus, usually must go to the hospital regularly for prenatal check-ups. Women during pregnancy should prevent exposure to harmful toxic substances, pay attention to prevent abdominal impact, to reduce the possibility of premature birth, abortion.