New research is needed to understand how the ongoing changes in children's early environment affect their development, their health and their socialization. The multiple factors involved and their numerous interactions make this type of research particularly complex. The best way to track...

Un numéro spécial de huit pages consacré aux quarante ans de la loi Neuwirth libérelisant la contraception en France

The probability that a woman having unprotected sexual intercourse will conceive over an ovulation cycle, also known as fecundability, is no more than 20-25% on average. A couple with "normal" fecundity generally takes several months to achieve a pregnancy. This long waiting time is due in part...