The Nova | 合法醫療器材資訊網

由JDBaeyertz著作·1997·被引用10次—TheNova-T200IUDissafeandcost-effectiveandshouldcontinuetobeofferedasacontraceptiveoptionforproperlyselectedwomen.Althoughpoorlytolerated ...

Aim: To evaluate the long term clinical performance of the Schering Nova-T 200 intrauterine contraceptive device.

Method: From 1982 to 1990, 446 women were fitted with their first Nova-T IUDs and followed up until December 1994. By this cut off data, 21 (4.7%) were lost to follow up. These were excluded to simplify analysis.

Results: Of the remaining 425 women, there were 383 multipara and 42 nullipara. Thirty one percent were fitted with a new Nova-T after 4 years of use. The method was uncomplicated in 70% of multiparous women, but in nulliparous users, the removal rate for unacceptable bleeding and/or pain was found to be 40% compared to 19% for the multipara. An expulsion rate of 4.9% was recorded. The overall cumulative accidental pregnancy rate was 3.5% with a Pearl Index of 1.2 per hundred woman years, a lower rate in older users being the only age related event in the study....