Two pregnancies is 5 years beyound 5 years because she was recommended the full schedule of 2 Td doses in the current pregancy
Recommendations for tetanus vaccination in pregnant women
Previously immunized pregnant women
A booster dose is considered sufficient as long as the patient has been immunized within the past 3 years
Ig the previous imunization was beyond 3 years ,2 dose of Td are administred 4 weeks apart.
Idealy ,Tdor booster doses are given before 36 weeks of pregnancy
Td is given to a woman in labor