I have a lifetime experience in Obstetrics including D.P. in New Zealand and some years in Punjab India and UK. Women who have completed their famiies; have serious menstrual problems; are near the menopause.Also used in Thailand where hundred of villagers walked mlles to get it [Dr. Ed McDaniel.] Safer than the oral contraceptives. In the late 1900s the FDA[USA} took 15 years before they approved of it's use - being opposed by 'feminists'. See that FDA report.
U.S. envoy to UN visits Cuba's UN Mission, a first in decades (AP)
from the article: Israel admits Ethiopian women were given birth control shots