male infertility+varicocele Flashcards
(41 cards)
How is couple infertility defined?
Absence of pregnancy after at least 1 year of unprotected targeted sexual intercourse.
What percentage of infertility is attributable to male factors?
30–40% of cases.
What are dysgenetic causes of male infertility?
Klinefelter syndrome, XX male syndrome, Kartagener’s syndrome, chromosomal abnormalities.
What are neuroendocrine causes of infertility?
Hypogonadotropic hypogonadism, Prader-Willi, Rud syndrome, hyperprolactinemia, Cushing’s.
Name testicular causes of infertility.
Cryptorchidism, trauma, tumors, orchitis, Sertoli-cell-only syndrome.
What are post-testicular causes?
Varicocele, seminal obstructions, infections, ejaculation disorders.
What are some environmental causes?
Pollution, heat, smoking, cannabis, pesticides.
What are level 1 diagnostic steps?
Medical history, physical examination, spermiogram.
What information is gathered from sexual history?
Smoking, drugs, work exposure to heat, chemo/radiotherapy history.
What does physical exam assess?
Testicle volume and consistency, vas deferens, epididymis, prostate.
What is required before a spermiogram?
3–6 days of sexual abstinence.
When should semen sample be analyzed?
Within 30 minutes of ejaculation.
How many spermiograms are needed for evaluation?
At least two tests.
Define azoospermia.
Absence of spermatozoa even after centrifugation.
Define cryptozoospermia.
Sperm absent initially but found after centrifugation.
What is oligozoospermia?
Low sperm concentration (<20 million/mL).
What is OTA?
Oligoteratoasthenospermia: reduced count, morphology, and motility.
What is the aim of sperm culture?
To detect infections in the seminal/prostatic tract.
What does scrotal ultrasound assess?
Testicle volume, epididymis, vas deferens, varicocele.
What hormones are tested in screening?
FSH, LH, prolactin, testosterone, TSH.
What does high FSH suggest in azoospermia?
Secretive cause of infertility.
What is varicocele?
Venous ectasias in pampiniform plexus causing venous stasis.
What percent of adult Italian males have varicocele?
0.11
At what age is varicocele most common?
Between 15 and 20 years old.