[1] Univ Montreal, Ctr Hosp, Dept Med, Serv Med Genique, Montreal, PQ H3C 3J7, Canada
[2] Univ Montreal, Ecole St Publ, Dept Med Sociale & Prevent, Programmes Bioeth, Montreal, PQ H3C 3J7, Canada
[3] Univ Montreal, Ctr Hosp, Dept Gynecol, Clin Procreat Assistee & Fertilite, Montreal, PQ H3C 3J7, Canada
[4] Univ Montreal, Fac Med, Dept Med, Montreal, PQ H3C 3J7, Canada