Patient's question:
I am 21 weeks and 3 days pregnant. How many weeks is the best time to have a 4D ultrasound? What kind of help do I value: I am 21 weeks and 3 days pregnant. How many weeks is the best time to have a 4D ultrasound?Doctor's answer:
Generally, the best time for a thorough four-dimensional ultrasound examination is at 24 weeks of pregnancy. The detailed examination items for four-dimensional ultrasound include: 1. Nervous system: anencephaly, hydrocephalus, microcephaly, spina bifida, and meningocele. 2. Digestive system: omphalocele, gastrocolic hernia, intestinal atresia, and megacolon. 3. Urinary system: hydronephrosis, polycystic kidney disease, megacystia, and ureteral intestinal obstruction. 4. Other malformations: limb defects, conjoined twins, congenital heart disease, and teratoma, etc.