Pregnancy is an extraordinary time during which a woman, preparing for the birth of her child, takes special care of herself through a healthy lifestyle, physical activity or regular medical appointments. During each trimester of pregnancy, laboratory tests and ultrasound examinations are carried out. In the third trimester, the gynaecologist informs about the possibility of vaccination against influenza, COVID-19 or against pertussis. Can pertussis be dangerous for a pregnant woman? Is vaccination against pertussis compulsory?