What else vaccine or test is required after week 26

Hi, I already took the flu jab, did my GD test. Are there anything else that is missing? Went for a check up in KL since I want to deliver there and the doctor mention about Tdap injection. Anyone took it during pregnancy? Is it an encouraged jab or a must? They tested sugar in my urine during my visit there. Can I tell my doc in SG I want to repeat the GD test?