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Vaginal bleeding disturbances associated with the discontinuation of long-acting injectable contraceptives. From the World Health Organization Special Programme for Research, Development, and Research Training in Human Reproduction; Task Force on Long-acting Systemic Agents for the Regulation of Fertility.
Br J Obstet Gynaecol. 1981 Mar; 88(3):317-21.BJ

Abstract

A randomized comparative trial of 832 women receiving norethisterone oenanthate (NET-OEN) and 846 women receiving depot medroxyprogesterone acetate (DMPA) injections at 12 week intervals was conducted in 10 centers. The pregnancy rate with NET-OEN was significantly higher than with DMPA. The termination rate for amenorrhoea was substantially lowe with NET-OEN than DMPA, whereas the discontinuation rates for bleeding problems were similar with the two drugs. Analysis of bleeding patterns among continuing and discontinuing users suggests that women tolerated frequent bleeding episodes, but found prolonged bleeding or prolonged bleeding-free intervals unacceptable. Bleeding for more than 30 days during an injection interval and complete amenorrhoea for a whole injection interval were jointly associated with 43.7% of all terminations among NET-OEN users and 64.5% of all terminations among DMPA users. In future efforts to improve the acceptability of long-acting injectable contraceptives, more attention should be given to the control of prolonged amenorrhoea and prolonged bleeding.

Authors

No affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Clinical Trial
Comparative Study
Journal Article
Randomized Controlled Trial

Language

eng

PubMed ID

7008825

Citation

Gray, R H., et al. "Vaginal Bleeding Disturbances Associated With the Discontinuation of Long-acting Injectable Contraceptives. From the World Health Organization Special Programme for Research, Development, and Research Training in Human Reproduction; Task Force On Long-acting Systemic Agents for the Regulation of Fertility." British Journal of Obstetrics and Gynaecology, vol. 88, no. 3, 1981, pp. 317-21.
Gray RH, Parker RA, Diethelm P. Vaginal bleeding disturbances associated with the discontinuation of long-acting injectable contraceptives. From the World Health Organization Special Programme for Research, Development, and Research Training in Human Reproduction; Task Force on Long-acting Systemic Agents for the Regulation of Fertility. Br J Obstet Gynaecol. 1981;88(3):317-21.
Gray, R. H., Parker, R. A., & Diethelm, P. (1981). Vaginal bleeding disturbances associated with the discontinuation of long-acting injectable contraceptives. From the World Health Organization Special Programme for Research, Development, and Research Training in Human Reproduction; Task Force on Long-acting Systemic Agents for the Regulation of Fertility. British Journal of Obstetrics and Gynaecology, 88(3), 317-21.
Gray RH, Parker RA, Diethelm P. Vaginal Bleeding Disturbances Associated With the Discontinuation of Long-acting Injectable Contraceptives. From the World Health Organization Special Programme for Research, Development, and Research Training in Human Reproduction; Task Force On Long-acting Systemic Agents for the Regulation of Fertility. Br J Obstet Gynaecol. 1981;88(3):317-21. PubMed PMID: 7008825.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Vaginal bleeding disturbances associated with the discontinuation of long-acting injectable contraceptives. From the World Health Organization Special Programme for Research, Development, and Research Training in Human Reproduction; Task Force on Long-acting Systemic Agents for the Regulation of Fertility. AU - Gray,R H, AU - Parker,R A, AU - Diethelm,P, PY - 1981/3/1/pubmed PY - 1981/3/1/medline PY - 1981/3/1/entrez KW - Amenorrhea KW - Bleeding KW - Clinical Research KW - Comparative Studies KW - Contraception KW - Contraception Continuation--statistics KW - Contraceptive Agents KW - Contraceptive Agents, Female KW - Contraceptive Agents, Progestin KW - Contraceptive Usage KW - Diseases KW - Evaluation Indexes KW - Family Planning KW - Injectables KW - Medroxyprogesterone Acetate KW - Norethindrone KW - Norethindrone Enanthate KW - Pregnancy KW - Research Methodology KW - Signs And Symptoms KW - Studies SP - 317 EP - 21 JF - British journal of obstetrics and gynaecology JO - Br J Obstet Gynaecol VL - 88 IS - 3 N2 - A randomized comparative trial of 832 women receiving norethisterone oenanthate (NET-OEN) and 846 women receiving depot medroxyprogesterone acetate (DMPA) injections at 12 week intervals was conducted in 10 centers. The pregnancy rate with NET-OEN was significantly higher than with DMPA. The termination rate for amenorrhoea was substantially lowe with NET-OEN than DMPA, whereas the discontinuation rates for bleeding problems were similar with the two drugs. Analysis of bleeding patterns among continuing and discontinuing users suggests that women tolerated frequent bleeding episodes, but found prolonged bleeding or prolonged bleeding-free intervals unacceptable. Bleeding for more than 30 days during an injection interval and complete amenorrhoea for a whole injection interval were jointly associated with 43.7% of all terminations among NET-OEN users and 64.5% of all terminations among DMPA users. In future efforts to improve the acceptability of long-acting injectable contraceptives, more attention should be given to the control of prolonged amenorrhoea and prolonged bleeding. SN - 0306-5456 UR - https://www.unboundmedicine.com/medline/citation/7008825/Vaginal_bleeding_disturbances_associated_with_the_discontinuation_of_long_acting_injectable_contraceptives__From_the_World_Health_Organization_Special_Programme_for_Research_Development_and_Research_Training_in_Human_Reproduction L2 - https://medlineplus.gov/vaginalbleeding.html DB - PRIME DP - Unbound Medicine ER -