Have you begun to have sexual intercourse again since the birth of (NAME)? (IF YES) For how many months after the birth of (NAME) did you not have sexual intercourse?
Description
Universe
All children
Imputation and derivation
Derivation
If the response to the first question is no, then M9=V008 - B3 (i.e., the difference between the date of interview and the child in question's date of birth).