Table 3.

Tetanus toxoid vaccination schedule for pregnant women and women of childbearing age with no or uncertain previous exposure to tetanus toxoid; tetanus toxoid and reduced-dose diphtheria toxoid; or diptheria, pertussis and tetanus³⁷

Dose of TT or Td (according to card or history)	When to give	Expected duration of protection
1	At first contact or as early as possible in pregnancy	None
2	At least 4 wk after TT1	1–3 y
3	At least 6 mo after TT2 or during subsequent pregnancy	At least 5 y
4	At least 1 y after TT3 or during subsequent pregnancy	At least 10 y
5	At least 1 y after TT4 or during subsequent pregnancy	For all childbearing age years or possibly longer

Table reproduced with permission from the World Health Organization.

TT, tetanus toxoid, Td, tetanus toxoid and reduced-dose diphtheria toxoid.

Etti. Maternal vaccination. Am J Obstet Gynecol 2022.