In parts of the world where malaria is endemic, it can cause a miscarriage, probably because of the associated high fever or circulatory disturbance in the placenta. But this is not usually a cause for concern unless you have been traveling in parts of world where malaria is a danger. If you are in early pregnancy, it would be advisable to avoid such areas.’

Many other bacteria have been given as causes of miscarriages. In theory, they travel through the mother’s bloodstream and can large to cross the placenta barrier. Much still needs to be learned about the association between infection and miscarriage.

Infections associated with certain procedure