[1] Univ Porto, Serv Bioquim, Fac Farm, Inst Mol & Cell Biol, P-4050047 Oporto, Portugal
[2] Hosp Geral Sto Antonio, Dept Gynecol & Obstet, Oporto, Portugal
[3] Univ Porto, Fac Pharm, Dept Biochem, Oporto, Portugal
[4] Maternidade Julio Dinis, Dept Obstet, Oporto, Portugal
[5] Univ Porto, Hosp Sao Joao, Dept Gynecol & Obstet, P-4050047 Oporto, Portugal