[Prospective OMEGA survey (Drug use-pregnancy relationship survey at the French Riviera)].

The survey of drugs used during pregnancy is necessary and the need for prospective studies is recognized. Health book distribution where drug intake is written since the beginning of the pregnancy allows a narrow therapeutic survey. The 350 first books analysis show that pregnant women use an average of well resorbed 1.8 drugs during 1rst and 3rd pregnancy trimesters. The most commonly used drugs are vitamins and iron (by 56% of women), non-narcotic analgesics (40%), antibiotics (40%), veinotonics (38%) and hormonal treatments (25%).