Sickle cell disease is the most common monosemic genetic disease in the world and affects approximately 32,000 people in France. In recent years, improvements in the management of this pathology have led to a steady increase in the life expectancy of sickle cell patients.

Women with sickle cell disease are increasingly likely to have one or more pregnancies.

Several studies have shown that these pregnancies are marked by maternal morbidity due to acute sickling crises, thromboembolism, infection, chronic end-organ dysfunction, or pre-eclampsia (PE), while neonatal outcomes may be intrauterine growth retardation (IUGR), preterm delivery, small infants for gestational age, stillbirth, and neonatal death.

Consequently, monitoring pregnancies in sickle cell patients represents a complex medical challenge due to the risk of potentially serious maternal and fetal complications. Multidisciplinary follow-up is then crucial to monitor and manage these possible complications.

The double hematologist-obstetrician consultation program (HEMAGO) offers complete and adapted close follow-up, in order to minimize the risks for the mother and the unborn child.

This study aims to evaluate the impact of this HEMAGO monitoring on the various maternal and obstetric complications by comparing the outcome of pregnancies of patients who were followed before the implementation of this device to patients who were followed in the frame their pregnancy through this program.

Inclusion Criteria:

• sickle cell disease female
• followed up for at least one pregnancy in the maternity of Croix-Rousse Hospital, Femme Mère Enfant Hospital and Lyon Sud Hospital

Exclusion Criteria:

• Minor woman

cohort of sickle cell patients followed in the red blood cell pathology department at the Edouard Herriot Hospital and having had a pregnancy follow-up consultation in one of the three maternity wards in Lyon.