Relationship between uterine natural killer cells and unexplained repeated miscarriage.

Objective: To evaluate the relation between uterine killer (uK) cells and unexplained repeated miscarriage (RM).

Material And Methods: Eighty women with unexplained repeated miscarriage and missed miscarriage of current pregnancy were studied. Fetal viability and gestational age of the current pregnancy were confirmed by ultrasound, followed by suction evacuation to collect abortion specimens and uterine wall curettage to collect decidua specimens.