Study Site and Sample: The study will be conducted in the Jamnagar district in Gujarat,India. Twenty seven PHCs will be considered eligible for participation. To detect a significant difference (pre- to post-delivery Hb) between the two prophylactic regimens of 0.1 g/dL (SD 0.3 g/dL), and also adjusting for the cluster design, a total sample of approximately 1500 deliveries is planned(750 deliveries per group).