Comparison of rigid and flexible cannulae for early abortion without cervical dilatation. World Health Organization Task Force on Sequelae of Abortion.

  • Published 1984 in Studies in family planning
A randomized controlled trial comparing four types of cannula for early abortion was undertaken in seven World Health Organization Collaborating Centers for Clinical Research in Human Reproduction. One-holed and two-holed cannulae, both flexible and rigid, were used to perform early abortions less than 46 days after the last menstrual period. A total of 3… CONTINUE READING