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| Features Abortion 
| AbortionQuestions asking women about pregnancies that ended in an abortion. Includes pregnancy histories where abortion is mentioned as an outcome or when a question such as "Did you or someone else do something to end this pregnancy?" is used. |  |  | Calendar 
| CalendarThe DHS calendar is a month by month history of certain key reproductive and contraceptive key events in the life of the woman respondent for the 5 years preceding the interview. |  |  | Paper survey 
| Paper surveyInterviews conducted with paper questionnaires which are later entered into a computer at a central office. |  |  | Pregnancy history 
| Pregnancy historyA full enumeration of all pregnancies to women interviewed as opposed to a birth history which only includes live births. |  |  |  | 
| Modules Maternal mortality 
| Maternal mortalityA set of questions asking about all siblings of the respondent (children born to the respondent's biological mother) concerning their sex, age, survival status, and whether the death was pregnancy-related. Questions are used to estimate maternal mortality, pregnancy-related mortality, and adult mortality. Typically asked of women only but in some surveys asked of men as well. |  |  | Service availability 
| Service availabilityA survey of communities and the services available in those communities, mostly used in earlier surveys up until about 2006. Not part of the household or individual questionnaires. |  |  |