PMID: 698154Sep 1, 1978Paper

Longer though lighter menstrual and intermenstural bleeding with copper as compared to inert intrauterine devices

British Journal of Obstetrics and Gynaecology
J Guillebaud, J Bonnar

Abstract

A randomized serial study of uterine blood loss was made of 281 women fitted with one of three intrauterine contraceptive devices (IUCDs): a Lippes loop D, a Dalkon shield or a Copper 7. The increase in the amount of blood loss was greatest with Lippes loop D users and least with Copper 7 users. However, the duration of menstrual and intermenstrual bleeding and of spotting was significantly greater among Copper 7 users than with the two inert devices. Thus the mechanisms whereby IUCDs increase the duration as opposed to the volume of uterine bleeding may be different. Previous users of oral contraceptives were found to have significantly less bleeding before IUCD insertion, but showed a similar pattern of increase of uterine bleeding after IUCD insertion to those who had not used oral contraceptives. For all three IUCDs, the increment in amount and duration of uterine bleeding after insertion decreased between the first and the sixth period, on average by about 15 ml and one to two days. No subsequent improvement was found and after 12 cycles the Copper 7 users had longer but less heavy uterine blood loss than users of the Lippes loop D.

References

Feb 21, 1976·Lancet·J GuillebaudA Matthews
Jan 1, 1978·British Journal of Obstetrics and Gynaecology·J GuillebaudA C Turnbull
Apr 29, 1977·Journal of Molecular Evolution·G W Moore, M Goodman
Oct 15, 1971·American Journal of Obstetrics and Gynecology·F K Beller
Jan 1, 1964·Scandinavian Journal of Clinical and Laboratory Investigation·L HALLBERG, L NILSSON
Jan 1, 1964·Acta Obstetricia Et Gynecologica Scandinavica·L HALLBERG, L NILSSON

Citations

Feb 1, 1976·British Journal of Obstetrics and Gynaecology·J BonnarM J Allington
Jul 30, 1999·British Journal of Obstetrics and Gynaecology·D L EconomidesC A Lee
Feb 1, 1980·British Journal of Obstetrics and Gynaecology·B L Sheppard, J Bonnar
Aug 1, 1981·British Journal of Obstetrics and Gynaecology·G C ChristiaensA A Haspels
Mar 1, 1980·Pediatric Annals·D E Greydanus
Aug 8, 2014·Contact Dermatitis·Simon W FageJacob P Thyssen
Sep 3, 2020·Contact Dermatitis·Soumaya GaraFaten Zeglaoui
Jan 1, 1980·International Journal of Gynaecology and Obstetrics : the Official Organ of the International Federation of Gynaecology and Obstetrics·J Guillebaud
Jan 12, 1999·American Journal of Hematology·R A KadirC A Lee
Jun 17, 1997·Annals of the New York Academy of Sciences·E Deligeoroglou

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