In men, progestin increases the contraceptive effectiveness
John's wort might interfere with contraceptive effectiveness
as a benefit of OCs was stated only in the user group.
I quote from the package insert of ParaGard, an IUD containing copper: "The contraceptive effectiveness
of ParaGard is enhanced by copper continuously released into the uterine cavity.
The family planning literature contains numerous studies of contraceptive effectiveness
among women, (4) use of contraceptives generally (and use of particular methods), (2,5) and factors affecting contraceptive use and nonuse.
Support women's use of multiple methods, and discuss strategies to optimize contraceptive effectiveness
and STD prevention, including promoting consistent condom use.
This higher level of contraceptive effectiveness
would not only improve the lives of the women and their families, it would save roughly $200 million in government health care expenditures each year.
Whether such reduced hormone levels affect contraceptive effectiveness
is unclear because no studies have looked at actual clinical outcomes.
Because pregnancy is so expensive, marginal savings gained by limiting refill access are almost certain to be overwhelmed by added costs of pregnancy caused by reduced contraceptive effectiveness
Other antibiotics do not appear to affect contraceptive effectiveness
26 /PRNewswire/ -- CONRAD is pleased to announce the results of the Phase II study carried out to evaluate Ushercell's contraceptive effectiveness
She should have used a condom because it can interfere with contraceptive effectiveness
of the Pill.