Effectiveness of Hysteroscopy in the Treatment of Intrauterine Trophoblastic Retentions

Inclusion Criteria: * Major, under 45 years with intrauterine trophoblastic retention after incomplete miscarriage in the first quarter (termination of pregnancy \< 14 WA), * With desire of pregnancy ; * Intrauterine trophoblastic retention diagnosed by transvaginal pelvic ultrasound finding a intrauterine heterogeneous image or intrauterine gestational sac more than 15 mm in thickness, complicated or not of endometritis ; * Decision to surgical management of incomplete miscarriage by the health care team ; * Patient beneficiary or affiliated to a health insurance * Informed and signed consent Exclusion Criteria: Will not be included in the protocol patients : * having a uterine malformation known ; * having received surgical treatment for the current intrauterine retention ; * with intrauterine retention diagnosed by transvaginal pelvic ultrasound of more than 50 mm in thickness ; * requiring a haemostatic act in urgency for heavy vaginal bleeding (miscarriage haemorrhage) ; * bearer of intrauterine device ; * having an evolutive pregnancy; * having an ectopic pregnancy; * having a trophoblastic retention following a voluntary abortion ; * having a pregnancy achieved by medically assisted procreation