Comparison of the effects of the levonorgestrel-releasing intrauterine system (Mirena®) and depot-medroxyprogesterone acetate (Depo-Provera®) on subendometrial microvascularisation and uterine artery blood flow

Authors: Banu Dane^a; Aysu Akca^a; Cem Dane^a; Serap Evcimen^a; Ahmet Cetin^a

Affiliation:

^a Department of Gynaecology & Obstetrics, Haseki Training & Research Hospital, Istanbul, Turkey

DOI: 10.1080/13625180902850047

Publication Frequency: 6 issues per year

Published in: journal

The European Journal of Contraception & Reproductive Health Care

Subject: Fertility & Contraception;

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Abstract

Objective To compare the effects of the levonorgestrel-intrauterine system (LNG-IUS) and depot-medroxyprogesterone acetate (DMPA) on subendometrial vascularisation and uterine artery blood flow.

Study design The trial compared 25 patients wearing a LNG-IUS and 25 patients receiving DMPA. The subendometrial blood flow was evaluated using power Doppler analysis; the pulsatility index (PI) and resistance index (RI) in the uterine artery and spiral arteries were evaluated with spectral Doppler.

Results The PI and RI of the uterine artery and endometrial thickness did not differ significantly between the two groups. The subendometrial vascularisation was lower and the PI in the spiral arteries was higher in DMPA-users.

Conclusion In spite of a similar prevalence of bleeding disturbances, the effects of DMPA and the LNG-IUS on the subendometrial microvascularisation differ.

Keywords: Levonorgestrel-intrauterine system; Subendometrial vascularisation; Depot-medroxyprogesterone acetate; Bleeding disorders

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Comparison of the effects of the levonorgestrel-releasing intrauterine system (Mirena®) and depot-medroxyprogesterone acetate (Depo-Provera®) on subendometrial microvascularisation and uterine artery blood flow

Abstract