Can a 7-month pregnant woman sleep flat on her back

Pregnant women in their 7th month of pregnancy should try to avoid sleeping flat on their backs and are advised to sleep on their left side.
The seventh month of pregnancy is in the late stage of pregnancy, the uterus increases in size and amniotic fluid increases. If a pregnant woman sleeps flat on her back, the lower vena cava and pelvic venous return will be affected by gravity, and the supine hypotension syndrome will occur due to insufficient return of blood to the heart, which will easily cause the pregnant woman to experience dizziness, nausea and vomiting, chest tightness, pallor, rapid heartbeat, and a drop in blood pressure, among other symptoms.
In addition to the discomfort of pregnant women, the fetus will also have abnormal fetal heart rate and fetal movement, and even cause acute intrauterine distress and early placental abruption, which will adversely affect fetal growth and development. Therefore, pregnant women in their 7th month of pregnancy should avoid sleeping flat on their backs and try to sleep on their left side.
Pregnant women are advised to attend obstetric checkups on time and closely monitor the growth and development of the fetus. In late pregnancy, they should pay attention to rest and learn to self-monitor fetal movement.