Abstract

The complete absence of the azoospermia factor A (AZFa) region typically results in nonobstructive azoospermia. Partial deletions of the AZFa region are particularly noteworthy due to the limited and enigmatic reports of partial deletions in the AZFa region. Here, we present a rare case report of partial deletion of sY84 in the AZFa region but exhibiting normal sperm quality. The aim of this case report is to gain a deeper insight into the impact of AZFa region deletion on male fertility and to guide future clinical decisions and treatment strategies. A 25-year-old man presented to the hospital with his 25-year-old wife due to recurrent spontaneous abortions. Routine semen analysis, sperm morphology analysis, acrosomal enzyme analysis, sperm DNA fragmentation indexed, and peripheral blood karyotype analysis revealed no abnormalities. Y chromosome microdeletion was detected by real-time fluorescence polymerase chain reaction, which showed that sY84 could not be amplified and sY86 was amplified nonspecifically. The man was diagnosed with partial deletions in the AZFa region. The wife underwent in vitro fertilization treatment for tubal infertility and recurrent spontaneous abortions. The couple successfully delivered a healthy daughter weighing 2.7 kg at 39 weeks of gestation, following 2 assisted reproductive pregnancies. Our findings contribute to expanding our knowledge of the AZFa region. A sY84 deficiency in the AZFa region may not lead to spermatogenesis failure and may potentially be one of the factors causing recurrent miscarriages, which needs to be confirmed by further data.

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