Transvaginal three-dimensional ultrasound: accuracy of follicular volume measurements. Kyei-Mensah, A, Zaidi, J, Pittrof, R, Shaker, A, Campbell, S, & Tan, S L Fertility and sterility, 65(2):371–6, February, 1996. ![Transvaginal three-dimensional ultrasound: accuracy of follicular volume measurements. [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper abstract bibtex OBJECTIVES To evaluate the accuracy of three-dimensional (3-D) ultrasound (US) follicular volume measurements. DESIGN Prospective clinical study. SETTING A tertiary referral center for assisted reproduction. PATIENTS Twenty-five patients undergoing ovarian stimulation for IVF-ET using the long protocol of GnRH agonist. INTERVENTION Transvaginal two-dimensional (2-D) and 3-D ovarian scan performed immediately before US-directed follicle aspiration. MAIN OUTCOME MEASURES The volume of follicular fluid aspirated was compared with the corresponding volume of the follicle measured by 3-D US and with the conventional 2-D US volume measurement calculated using the formula pi/6 (D1 x D2 x D3). Limits of agreement and 95% confidence intervals were calculated and systematic bias between the methods was analyzed. RESULTS The limits of agreement between the volume of follicular aspirate and follicular volume determined by US were +0.96 to -0.43 mL for 3-D measurements and +3.47 to -2.42 mL for 2-D measurements. CONCLUSIONS The true volume of ovarian follicles, within the clinically useful range for IVF-ET cycles, is measured more accurately by a 3-D US system than by 2-D US techniques.
@article{kyei-mensah_transvaginal_1996,
title = {Transvaginal three-dimensional ultrasound: accuracy of follicular volume measurements.},
volume = {65},
issn = {0015-0282},
url = {http://www.ncbi.nlm.nih.gov/pubmed/8566265},
abstract = {OBJECTIVES To evaluate the accuracy of three-dimensional (3-D) ultrasound (US) follicular volume measurements. DESIGN Prospective clinical study. SETTING A tertiary referral center for assisted reproduction. PATIENTS Twenty-five patients undergoing ovarian stimulation for IVF-ET using the long protocol of GnRH agonist. INTERVENTION Transvaginal two-dimensional (2-D) and 3-D ovarian scan performed immediately before US-directed follicle aspiration. MAIN OUTCOME MEASURES The volume of follicular fluid aspirated was compared with the corresponding volume of the follicle measured by 3-D US and with the conventional 2-D US volume measurement calculated using the formula pi/6 (D1 x D2 x D3). Limits of agreement and 95\% confidence intervals were calculated and systematic bias between the methods was analyzed. RESULTS The limits of agreement between the volume of follicular aspirate and follicular volume determined by US were +0.96 to -0.43 mL for 3-D measurements and +3.47 to -2.42 mL for 2-D measurements. CONCLUSIONS The true volume of ovarian follicles, within the clinically useful range for IVF-ET cycles, is measured more accurately by a 3-D US system than by 2-D US techniques.},
number = {2},
urldate = {2019-09-11},
journal = {Fertility and sterility},
author = {Kyei-Mensah, A and Zaidi, J and Pittrof, R and Shaker, A and Campbell, S and Tan, S L},
month = feb,
year = {1996},
pmid = {8566265},
pages = {371--6},
}
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