Registration process of pregnant women: The Smartphones carried by the healthcare service providers will contain a customize software for registration of pregnant women with information (name of pregnant women, age, address, last menstruation period (LMP) and mobile phone number) and updating and sending to the server. A unique identification (ID) number will be automatically created followed by data upload to the server and will be given to the pregnant women. This unique ID will ensure her to get necessary healthcare services within the study area.