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Male infertility
1. MALE INFERTILITY
LT COL SM SHAHADAT HOSSAIN
MCPS,FCPS( Surgery),FCPS(Thoracic Surgery)
Adv Trg on Thoracoscopy,CNUH,South Korea
CMH ,Bogra
2. INTRODUCTION
INFERTILITY -inability to become pregnant after one
year of intercourse without contraception involving a
male and female partner.
SUBFERTILITY- couples who exhibit decreased
reproductive efficiency.
FECUNDABILITY - probability of achieving pregnancy
within a single menstrual cycle.
FECUNDITY - probability of achieving live birth within
a cycle.
4. SPERMATOGENSIS
Approximately 300 thousand
spermatogonia in each gonad.
Each undergoes mitotic division, and by
puberty 600 million in each testis.
Spermatogenesis takes about 70 days.
Adult males produce 100-200 million
sperm each day.
11. PRE-REQUISITE
Abstinence for 2-3 days (Not less than 2
days & not more than 7 days)
Semen specimen should be collected in a
clean container.
Semen sample should be examined within
an hour after collection.
17. DISORDERS OF SPERM TRANSPORT
Epididymal obstruction or dysfunction
Infections causing obstruction to vas
deferens
Vasectomy
Kartagener syndrome (situs inversus, chronic
sinusitis, and bronchiectasis).
Ejaculatory dysfunction.
18. EVALUATION OF MALE INFERTILITY
HISTORY
PHYSICAL EXAMINATION
INVESTIGATIONS
19. HISTORY
Duration of infertility and previous infertility
Coital frequency and sexual dysfunction
Childhood illness
Previous surgery, systemic medical illness
History of exposure to STD, environmental
toxins
Occupational exposure to tobacco, alcohol
and other drugs.
20. PHYSICAL EXAMINATIONS
Examination of penis
Palpation of testes and their size
Presence and consistency of both vasa
and epididymides
Presence of varicocele
Secondary sexual characteristics, hair
distribution, and breast development.