Words to Describe amniocentesis

How amniocentesis often is described ("________ amniocentesis")

• third
• week
• unsuccessful
• transvaginal
• successful
• directed
• therapeutic
• trimester
• transabdominal
• traumatic
• placental
• twin
• universal
• safe
• volume
• conventional
• bloody
• spontaneous
• aggressive
• underwent
• second
• genetic
• initial
• fetal
• amniotic
• saline
• abdominal
• routine
• serial
• midtrimester
• prenatal
• guided
• confirmatory
• transplacental
• unnecessary
• traditional
• early
• subsequent
• diagnostic
• standard
• earlier