Successful fertilization and establishment of pregnancies after intracytoplasmic sperm injection in patients with globozoospermia.


Globozoospermia or round-headed spermatozoa is a rare type of teratozoospermia where the acrosome is absent resulting in male infertility with no known therapy. A few studies have shown that round-headed spermatozoa cannot bind to or penetrate the zona pellucida, and no normal fertilization has been observed in in-vitro fertilization (IVF) after… (More)


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