 [ Symptoms ] can you become pregnant even if you took the morning after pill and had a very light period after  you think you may have some signs and symptoms of early pregnancy and you are also on medication [ Disease ] well individuals with low igg levels tend to get infection more frequently as igg antibodies are responsible for preventing infection in the body so in case of igg deficiency the body tend to get frequent infection so you should consult an immunologist and get evaluated and igg replacement therapy can help in reducing the frequency of infection in case if you get infection you should immediately get a proper treatment to avoid worsening hope this helps regards