The Nova-T 200 intrauterine contraceptive device: a 12 year study.

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 IUD's and followed up until December 1994. By this cut off data, 21 (4.

Assessment of gestational maturity using a new fundal height measuring tape.

From a series of women with known conception dates, the 50th percentiles of their weekly fundal height measurements were used to calibrate a measuring tape. As a method of gestational assessment, the tape was found to be accurate to within two weeks of the exact dates in 79% of this control group, compared with 96% and 84% respectively using conventional crown rump length and biparietal diameter ultrasound techniques on these same patients.