Affiliation: | (1) V.L. College of Home and Social Sciences, Calcutta University, Hastinge House, Alipore, Judge Court Road, 700 027 Calcutta;(2) Institute for Research in Reproduction (ICMR), Parel, 400 012 Bombay;(3) Calcutta University, 35, Ballygunge Circular Road, 700 019 Calcutta |