Follicular vascularity - The predictive value of transvaginal power Doppler ultrasonography in an in-vitro fertilization programme: A preliminary study

被引:118
作者
Chui, DKC
Pugh, ND
Walker, SM
Gregory, L
Shaw, RW
机构
[1] UNIV WALES HOSP,DEPT MED PHYS & BIOENGN,CARDIFF CF4 4XW,S GLAM,WALES
[2] UNIV WALES HOSP,DEPT OBSTET & GYNAECOL,CARDIFF CF4 4XW,S GLAM,WALES
关键词
follicular vascularity; in-vitro fertilization; transvaginal power Doppler;
D O I
10.1093/humrep/12.1.191
中图分类号
R71 [妇产科学];
学科分类号
100211 ;
摘要
The aim of this prospective study was to investigate the ability of transvaginal power Doppler ultrasonography to assess the relationship between follicular vascularity and outcome in women undergoing in-vitro fertilization. Each of 38 subjects underwent a single transvaginal power Doppler ultrasound scan on the day of oocyte collection, where the vascularity of individual ovarian follicles was assessed, using a subjective system, and graded 1 to 4. In addition, conventional pulsatility indices (PI) of the uterine and intra-ovarian (stromal) arteries were calculated, which showed no significant differences between the pregnant and non-pregnant groups. Using power Doppler ultrasonography, a total of 188 follicles was studied. The follicular vascularity grade was found to be independent of follicular size and there was no significant difference in fertilization rates with different degrees of vascularity although there was a trend towards higher fertilization rates with higher grade vascularity. There were 10 pregnancies, giving a pregnancy rate of 26.3% per embryo transfer. Pregnancies were confined to those women whose embryos were derived from follicles with grade 3 and 4 vascularity (pregnancy rates per embryo transfer of 12.5 and 61.5% respectively), with only those from grade 4 follicles resulting in livebirths. This preliminary study suggested that high grade follicular vascularity is associated with increased pregnancy rate and that there is a possible link between follicular vascularity and implantation potential.
引用
收藏
页码:191 / 196
页数:6
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