There are blood tests to see if you have recently been infected or if you have prior exposure, which would give you immunity and prevent infection in the baby.
Zikho iimvavanyo zegazi ezenziwayo ukuze kubonwe okokuba usandul' ukosuleleka okanye ukhe wabhentsa kwesi sifo ngexesha elingaphambili yaye zikunceda ukukukhusela nokuthintela ukuba usana lwakho losuleleke.