Clinical experience with an ethinyl estradiol-desogestrel oral contraceptive.

Desogestrel (150 micrograms), a potent progestogen virtually devoid of androgenic activity, was used in combination with 30 micrograms ethinyl estradiol as an oral contraceptive preparation (Marvelon). 219 women completed a total of 4074 cycles, and the use-effectiveness was 0.58 Pearl Units.

Triplet and higher-order births: what is the optimal delivery route?

Data concerning 16 triplet and higher-order deliveries (resulting in a total of 56 infants) are reviewed. The vaginal delivery rate was 81%. Maternal morbidity was more serious after abdominal delivery.

A randomized study of two cups for vacuum extraction.

O'Neil designed a set of suction cups which, because of more efficient lateral pull and greater maneuverability, were claimed to be more efficient and perinatally safer than the Malmström model. These claims were checked by comparing the two instruments in a randomized controlled trial comprising 410 attempted elective extractions. The two instrument groups were comparable at entry and the operators had a similar degree of experience, the sole inter-group difference being the 0.