Comparability — Burkina Faso [top]

For Burkina Faso, the universe of this variable is women aged 15 to 49 with the following exclusions:

Women who ...
...are currently pregnant.
...have never menstruated.
...have had a hysterectomy.
...are menopausal.
...have not had their menstrual period for the last three months.
...had their last period before the birth of their most recent child.

Comparability — Niger [top]

For Niger samples, the universe of this variable is women aged 15 to 49 with the following exclusions:

Women who ...
...are currently pregnant.
...have never menstruated.
...have had a hysterectomy.
...are menopausal.
...have not had their menstrual period for the last three months.
...had their last period before the birth of their most recent child.

Comparability — Nigeria [top]

For Nigeria samples, the universe of this variable is women aged 15 to 49 who menstruate. This includes women who are currently pregnant, had their last period before the birth of their most recent child, and all women who reported when they had their last menstrual period, even if it was more than one month ago. However, the universe does not include women who are menopausal, have had hysterectomies, or have never menstruated.