Normal flu can cause complications in pregnant women, especially in the second and third trimester of pregnancy. If you fall ill from flu-like symptoms, it is best to speak to your doctor as soon as possible to ensure that any physical symptoms are alleviated as soon as possible with medicaction. If an illness like swine or flu normal flu is not cleared up quickly and leads to a problem such as a chest infection, you may require antibiotics. If you do require any drugs, remind the doctor who is prescribing your medication that you are pregnant. If you are trying for a baby and are not sure if you are pregnant or not, it is wise to flag this up with your GP to be on the safe side. You can then be prescribed pregnancy-safe antiviral option for this illness.