a medical test that involves taking some liquid from a pregnant woman’s womb in order to find out if the baby has particular illnesses or health problems 羊膜腔穿刺术(经孕妇腹壁吸出液体检查胎儿健康状况) Pregnant women over the age of 35 will be offered (an) amniocentesis. 35岁以上的孕妇将接受羊膜穿刺术。
Word Origin1950s: from amnion(mid 17th cent.: from Greek, ‘caul’, diminutive of amnos ‘lamb’) + Greek kentēsis ‘pricking’ (from kentein ‘to prick’).