Patient's question:
I have an itchy lower body, and my underwear is always yellow. What's going on? When is it appropriate to have an amniocentesis?Doctor's answer:
Hello, for the amniocentesis examination, the best time to puncture and extract amniotic fluid is between weeks 16 and 20 of pregnancy. Week 23 is still acceptable, not too late. Three days before the surgery, avoid sexual intercourse.Yes, the time it takes for food to stay in the stomach after ingestion is approximately 2-3 hours. During this 2-3-hour period, the stomach can only dissolve 200-300 milligrams of calcium ions. Excess calcium will be excreted and cannot be absorbed, leading to waste. Moreover, for people taking high-concentration calcium supplements,