Editing Infertility: Diagnosis and Evaluation (section)

=== Renal ultrasound ===
*'''Goal is to identify potential associated renal abnormalities.'''
**'''The male genital tract is derived from the Wolffian or mesonephric tract.''' It is a paired organ, which forms the epididymis, vas deferens, and seminal vesicles during embryogenesis. '''As it connects to the primitive kidney, abnormalities in the Wolffian duct can lead to renal anomalies.'''
*'''<span style="color:#ff0000">Indications (1):</span>'''
*#'''<span style="color:#ff0000">Congenital absence of the vas(a) (regardless of the CFTR status)</span>'''
*#*≈26-75% of males with unilateral absence of the vas deferens will have ipsilateral renal anomalies including agenesis.
*#*≈10% of males with bilateral vasal agenesis will have ipsilateral renal anomalies including agenesis.