ABSTRACT
According to the 2018 Hacettepe University Population and Health Survey report, of the married women between 25-49 age group;39% get married before the age of 20, 21% before the age of 18 and 4% before the age of 15 (1). According to the WHO report, in 2019, abortion was reported at a rate of 55% in unplanned pregnancies in adolescents, especially in countries with limited resources (2). According to CDC data, it has been reported that the Tdap vaccine administered in the 27-36 weeks of the pregnancy, reduces pertussis disease by 78% in the first two months of their infants, and it reduces the infant hospitalizations due to whooping cough by 90% (6-8). [...]the first dose is given at the first visit, the second dose is administered four weeks later, the third dose is given 6-12 months after the second dose, and the vaccination schedule is completed in three doses (3,8).