Pregnant women, women in labour and breast-feeding mothers may only be asked to take part in the research mentioned in 1° or 2° of Article L. 1121-1 under the following conditions:
-either the importance of the expected benefit for themselves or for the child is such as to justify the foreseeable risk incurred ;
-such research is justified in terms of the expected benefit for other women in the same situation or for their child, provided that research of comparable effectiveness cannot be carried out on another category of the population. In this case, the foreseeable risks and constraints involved in the research must be minimal.