<unk>  <unk>  is a technique used to determine<unk>  counts in the event of a possible blockage of the vas deferens. It is an alternative to microepidydimal<unk><unk>  (MESA), and aims to address the technical difficulty and cost of MESA. A small needle is inserted through the skin of the scrotum to collect<unk>  from the epididymis, where<unk>  are usually stored after production in the testes. It can also be used to extract<unk>  for intracytoplasmic<unk>  injection (ICSI).
Percutaneous epididymal sperm aspiration
Estrogen provocation test
Orchidometer
Postcoital test
Sacrohysteropexy
Hysterosalpingography
Testicular sperm extraction
Scrotal ultrasound