Bacterial Vaginosis: An Underestimated Cause of Unexplained Infertility

Easily decapitated spermatozoa defect: a possible cause of unexplained infertility.

We report the first 16 cases of a new sperm abnormality which we call 'easily decapitated spermatozoa defect'. This was discovered during intracytoplasmic sperm injection (ICSI) in couples with unexplained infertility. Semen analysis was normal, but minimal micromanipulation for ICSI resulted in decapitation of the spermatozoon during immobilization. For some oocytes the head and tail were inje...

Unexplained Infertility

An endometrial factor in unexplained infertility.

OBJECTIVE To study a group of women with unexplained infertility to see whether they have a defect that is intrinsic to the endometrium. DESIGN Evaluation of the functional response of the endometrium by examining endometrial biopsy specimens using immunohistochemical methods in a group of women with unexplained infertility and in a control group of women with normal fertility. PATIENTS 27 ...

Gardnerella vaginalis does not always cause bacterial vaginosis.

TO THE EDITOR—Schwebke et al [1] present a conceptual model arguing the case for Gardnerella vaginalis as the primary etiological agent of bacterial vaginosis (BV). The model posits that G. vaginalis is a sexually acquired pathogen that elicits BV via the establishment of a bacterial biofilm on the vaginal epithelium, aided by synergistic associations with vaginal anaerobes and competitive inte...

Dexamethasone in unexplained infertility.

OBJECTIVE To determine if dexamethasone could be a suitable option in the treatment of patients with unexplained infertility. METHODS This study was carried out in the Obstetrics Department of Amir University Hospital, Semnan, Iran, from April 2001 to May 2008. One hundred and twenty-four cases of unexplained infertility that underwent ovulation induction and intrauterine insemination (IUI) (...