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Sonographic Evaluation of Endometrial Preparationby Oral Estrogen-Progesterone Substitution beforeCryoembryotransfer


Authors: I. Oborná;  J. Dostál;  J. Březinová;  M. Svobodová;  H. Fingerová
Authors‘ workplace: Gynekologicko-porodnická klinika LF UP a FN, Olomouc, přednosta prof. MUDr. M. Kudela
Published in: Ceska Gynekol 2004; (6): 461-466
Category:

Overview

Objective:
To compare the changes of sonographic features of endometrium throughout naturaland artifi cial cycles in which oral estrogen-progesterone substitution were used in the samegroup of patients and discuss their clinical signifi cance.Design: A prospective study.Setting: Dept. of Obstetrics and Gynaecology, University Hospital, Olomouc.Methods: In 24 women with regular menstrual cycle ovulation was detected (LH, sonography)and the following sonographic features: endometrial thickness, echogenity and pulsatility index(PI) of uterine artery were evaluated in the late proliferative, early and mid secretory phase.The same sonographic examination was performed in the artifi cial cycle with oral estrogen-progesteronesubstitution used for endometrial preparation for transfer of cryopreserved-thawedembryos.Results: In the late proliferative phase of the natural cycle the thickness of endometrium washigher than in the artefi cial cycle (p=0.05). Triple-line echogenity prevailed in both cycles. ThePI in natural cycle was lower (p=0.01) on the side of the growing Graafi an follicle compared tothe other side and lower (p=0.05) than in the artifi cial cycle. In the secretory phase there wereno differences in endometrial thickness within cycles. Homogenous hyperechoic endometrium interprevailedin both cycles and the lowest PI was found on the 7th day both after ovulation and afterinitiation of progesterone substitution.Conclusion: Progesterone addition after endometrial preparation with estrogen should be institutedwhen the endometrium thickness reached at least 9 mm and isoechoic or triple line echogenityis found.

Key words:
oral estrogen-progesterone substitution, endometrial thickness, endometrial echogenity,pulsatility index of uterine artery

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Labels
Paediatric gynaecology Gynaecology and obstetrics Reproduction medicine

Article was published in

Czech Gynaecology


2004 Issue 6

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