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April 4, 1980

Pelvic Fluid at Ovulation

Author Affiliations

Institute of Obstetrics and Gynaecology University of London London

JAMA. 1980;243(13):1325. doi:10.1001/jama.1980.03300390011005

To the Editor:—  The report by Hann et al (241:2731, 1979) regarding the estimation by ultrasound of the volume of free fluid in the pelvis at the time of ovulation does not agree with data that we have been collecting laparoscopically.A variable quantity of fluid was found in the pouch of Douglas (culde-sac) in every one of 20 unselected, consecutive laparoscopies we performed. The indications for laparoscopy were sterilization (12), infertility (five), pelvic pain (two), and a suspected pelvic mass (one). The fluid was aspirated on each occasion, although in one case, technical problems with the laparoscope permitted only a few drops to be removed. Patient positioning and the laparoscopic technique were the same in each case. The fluid was aspirated by an operating laparoscope immediately after insertion to try to eliminate blood contamination from instrumentation. None of the patients had laparoscopic evidence of active inflammatory disease, endometriosis, or