In the wards receiving the CHW intervention , the CHWs : ( @ ) identify pregnant women through home visits and refer them to antenatal care ; ( @ ) provide education to pregnant women on antenatal care , PMTCT , birth , and postnatal care ; ( @ ) routinely follow up on all pregnant women to ascertain whether they have attended ANC ; and ( @ ) follow up on women who have missed ANC or PMTCT appointments .