The aim of this study is to evaluate the frequencey and the determinants of postpartum major complications (hemorrhage and thrombosis) up to 3 months after delivery in the maternity hospitals of Finistère (Bretagne - France)

This is an analytical observational prospective multicenter cohort study , conducted on all the maternity hospitals in Finistère (Bretagne - France), with a biological collection.

This protocol allows to study all women at risk of PPH (Postpartum Hemorrhage) and postpartum venous thromboembolic disease, including maternity level 1-3 without case selection. The prospective nature of the study should provide a more detailed analysis of exposures in this particular population of women (risk factors related to the field, childbirth, the postpartum events ...).

The events of interest were PPH and venous thromboembolic disease.

Inclusion Criteria:

• Any woman giving birth and supported in one of Gynaecology Obstetrics services of a maternity Finistere.
• Women ≥ 16 at the time of the collection of non-opposition.
• For minor patients: understanding the patient and at least one parent.
• All births ≥ 15 weeks gestation.

Exclusion Criteria:

• Home Birth
• Expressed opposition to participation in this study.
• Childbirth under X.
• Parent (s) uninformed of the pregnancy of their child.

All women admitted for delivery in a maternity Finistère