|Time between injections||3 months.||2 months.||1 month.|
|How early or late a client can have the next injection||2 weeks before or 4 weeks after scheduled injection date.||2 weeks before or after scheduled injection date.||7 days before or after scheduled injection date.|
|Injection technique||Deep intramuscular (IM) injection into the hip, upper arm, or buttock.
into back of upper arm, abdomen, or front of thigh.
|Deep intramuscular injection into the hip, upper arm, or buttock. May be slightly more painful than DMPA-IM.||Deep intramuscular injection into the hip, upper arm, buttock, or outer thigh.|
|Typical bleeding patterns in first year||Irregular and prolonged bleeding at first, then no bleeding or infrequent bleeding. About 40% of users have no monthly bleeding after 1 year.||Irregular or prolonged bleeding in first 6 months but shorter bleeding episodes than with DMPA. After 6 months bleeding patterns are similar to those with DMPA. 30% of users have no monthly bleeding
after 1 year.
or prolonged bleeding in first 3 months. Mostly
regular bleeding patterns by 1 year. About 2% of users have no monthly
bleeding after 1 year.
|Average weight gain||1–2 kg per year.||1–2 kg per year.||1 kg per year.|
|Pregnancy rate, as commonly used||About 4 pregnancies per 100 women in the first year.||Assumed to be similar to DMPA.||About 3 pregnancies per 100 women in the first year.|
|Average delay in time to pregnancy after stopping injections||4 months longer than for women who used other methods.||1 month longer than for women who used other
|1 month longer than for women who used other methods.|