From the narrative of 64 young women from 15 to 25 years old (in comprehensive perspective), this work wants to explain how young women use contraceptive methods. It questions the existence of different fields of the sexuality : protection for men and contraception for women. Through using of emergency contraception we study different forms of investment of the partner. And how implication of partner is important and can be revealing intensity of "loving link". From practices and strategies of protections (imagination and identitals) were implemented by young women, the intention of this research is to highlight the interweaving of contraceptives biographies.
