What reason is amniotic fluid little in second trimester of pregnancy?

summary

With the improvement of living standards, many people's pace of life speeds up, and it's easier to ignore their health. Some pregnant women will have symptoms of oligohydramnios. There are many possible reasons for oligohydramnios, such as fetal malformations, fetal urinary system diseases, and the decline of placental function, which will cause oligohydramnios. Pregnant metaphase amniotic fluid is little what reason is below I tell everybody.

What reason is amniotic fluid little in second trimester of pregnancy?

Fetal malformations, such as congenital absence of kidney, renal hypoplasia, ureteral or urethral stricture, cause oligohydramnios.

In prolonged pregnancy, placental dysfunction, inadequate perfusion, fetal dehydration, resulting in oligohydramnios. Some scholars believe that when the fetus is over mature, the sensitivity of renal tubules to antidiuretic hormone is increased, and the amount of urine is less, resulting in oligohydramnios. The incidence of oligohydramnios caused by prolonged pregnancy is 20% - 30%.

Oligohydramnios is one of the characteristics of intrauterine growth retardation. Chronic hypoxia causes redistribution of fetal blood circulation, which mainly supplies brain and heart, while renal blood flow decreases and fetal urine production decreases, resulting in oligohydramnios.

matters needing attention

In daily life, eat more fruits and vegetables, keep optimistic mood, pay attention not to fatigue, pay attention to the recovery of the body, in addition, if there are any symptoms should go to the hospital for examination, and corresponding treatment, these are to actively do.