[1] St Pantelimon Clin Emergency Hosp, Dept Obstet Gynecol, 340 Pantelimon Rd, Bucharest 021661, Romania
[2] Carol Davila Univ Med & Pharm, Dept Obstet Gynecol & Neonatol, 37 Dionisie Lupu Str, Bucharest 020021, Romania
[3] Univ Bucharest, Fac Sociol, 4-12 Regina Elisabeta Blvd, Bucharest 030018, Romania
[4] Social Work & Stat Off, 4-12 Regina Elisabeta Blvd, Bucharest 030018, Romania