ONLY ONCE: How many years ago did you receive this tetanus injection before this pregnancy?
MORE THAN ONCE: How many years ago did you receive the last tetanus injection before this pregnancy?
ONLY ONE: How many years ago did you receive that tetanus injection?
MORE THAN ONE: How many years ago did you receive the last tetanus injection prior to this pregnancy?
ONLY ONCE
a) How many years ago did you receive this tetanus injection?
MORE THAN ONCE
b) How many years ago did you last receive this tetanus injection?
ONLY ONE TIME
MORE THAN ONE TIME
ONLY ONCE:
How many years ago did you receive the last tetanus injection?
MORE THAN ONCE:
b) How many years ago did you receive the last tetanus injection before this pregnancy?
ONLY ONE
a) How many years ago did you receive that tetanus injection?
MORE THAN ONE TIME
b) How many years ago did you receive the last tetanus injection prior to this pregnancy?
ONLY ONCE: A) How many years ago did you receive the last tetanus injection?
MORE THAN ONCE: b) How many years ago did you receive the last tetanus injection before this pregnancy?
ONLY ONE
a) How many years ago did you receive that tetanus injection?
MORE THAN ONE
b) How many years ago did you receive the last tetanus injection prior to this pregnancy?
ONLY ONE TIME:
How many years ago did you receive that tetanus injection?
MORE THAN ONE TIME: How many years ago did you receive the last tetanus injection before this pregnancy?