Male Infertility and Impotence Definition n Infertility is
- Slides: 41
Male Infertility and Impotence
Definition n Infertility is “inability to conceive after one year of conjugal life without use of contraceptive methods. ” The term "primary infertility" is applied to “the couple who has never achieved a pregnancy. ” "secondary infertility" implies that “at least one previous conception has taken place. ”
n origin of problem: n 35% female n 35% male n 20% both partners n 10% unexplained
Major Causes
Etiology of Male Infertility Multi-factorial Prevalence n Varicocele 35% n Idiopathic 25% n Infection/injury – genito-urinary tract 10% n Genetic/systemic disease 10% n Endocrine 1 - 5% n Immunologic 1 - 5% n Obstruction 1 - 5% n Developmental 1 - 5% n Lifestyle: smoking, diet, heat ? ? ? %
Aetiological Classification n n n n 1. Disorders of spermatogenesis: A)Hormanal Hypothalamic disorder Pituitary secretion of FHS and LH Hyperprolactinaemia causing Impotence or diminished libido. B) Primary testicular disorders: Idiopathic, Varicocele Chromosomal defect, i. e. klinefilter’s syndrome Crytorchism
n n n n Drugs, radiations Orchitis (traumatic, mumps, TB, gonorrhoea) Chronic illness Immunological disorders. 2) Duct obstruction: Congenital absence, inflammatory block, surgical trauma, 3)Accessory glands disorders: Prostitis, vasiculitis, congenital absence of vas in cystic fibrosis.
n n n n n 4. Disorders of sperms and vesicular fluid: Sperms antibodies and low fructose in seminal plasma. Sperms acrosome defect Zona pellucida binding defect Zona penetrations defect Oocyte fusion defect 5. Sexual dysfunctions: Low frequency coitus- wrong time Impotence, hypospadias Premature Ejaculation, retrograte ejaculation
n n 6. Psychological factors and environmental factors like smoking, alcohol consumption, tobacco chewing, diabetes, Drugs: antihypertensive, antipsycotis, sex steroids, chemotherapy, beta-blockers, spirolactone, oestrogen
Female Infertility Etiologies Unexplained n Cervical/mucus n Endometrial/uterine n Pelvic/peritoneal n Tubal n Developmental/genetic n 10% 2 -3% 5 -10% 30 -50% 40%
Other Etiologies n n n PID Cx conization/cautery Smoking IUD Endometriosis Genetics
Aetiology n n n n n 1. dyspareunia and vaginal causes 2. Congenital defect in the genital tract. 3. infection in the lower genital tract. 4. Cervical factors 5. Uterine causes 6. Tubal factors 7. Ovaries 8. Peritoneal causes 9. Chronic ill health – especially thyroid dysfuntion
The Most Important Factor in the Evaluation of the Infertile Couple Is: HISTORY
History-General n n n n n Both couples should be present Age Previous pregnancies by each partner Length of time without pregnancy Sexual history Frequency and timing of intercourse Use of lubricants Impotence, anorgasmia, dyspareunia Contraceptive history
Male Infertility: Evaluation n n n History (Questionnaire) Physical examination Standard semen analysis Hormonal evaluation Genetic counseling and evaluation Imaging studies
History-Male n n n History of pelvic infection Radiation, toxic exposures (include drugs) Mumps Testicular surgery/injury Excessive heat exposure (spermicidal)
Physical Exam-Male n n Size of testicles Testicular descent Varicocoele Outflow abnormalities (hypospadias, etc)
Male Factors-Semen Analysis n n n Collected after 3 days of abstinence Evaluated within one hour of ejaculation If abnormal parameters, repeat twice, 2 weeks apart
Semen Analysis: World Health Organization Guidelines Fresh sample (to lab within 30 mins. ) –most sperm in initial ejaculate Male should be abstinent for 48 to 72 hours Parameters Volume Sperm conc. Sperm motility Sperm morphology Leukocyte density n Need at least 2 S/As Normal range 1. 5 - 5 m. L >20 million/m. L >50% >30% normal forms <1 million/m. L
Semen Analysis Abnormal semen results n n Azospermia Oligospermia Athenospermia Teratospermia
Sperm Terms n n n Normozoospermia Normal ejaculate n Sperm concentration <20 × 106 /ml n <50% spermatozoa with Asthenozoospermia forward progression n n Teratozoospermia n Azoospermia n n Aspermia n n <30% spermatozoa with normal morphology No spermatozoa in the ejaculate No ejaculate
Hormonal and others n n n Gn. RH FSH LH TSH Prolactin level n n n Rule out genetic diseases. Chromosomal study Immunological study
Imaging Studies n n n Transrectal Ultrasound (TRUS) Vasography Testis Biopsy
Transrectal Ultrasound (TRUS) Ejaculator ductal stones Seminal vesicle dilatation.
Vasography n Indication n n Assessment of vasal obstruction or ejaculatory duct obstruction. An inguinal vasal obstruction should be suspected in an azoospermic patient with normal spermatogenesis and a history of prior inguinal or scrotal surgery.
Testis Biopsy n Indication n n Distinguishing between obstruction and testicular failure. Identification of mature sperm for ICSI
Treatment- Male Factor n n n n Hypogonadotrophism: -Gn. RH Ligation Retrograde ejaculation Testosterone for spermatogenesis Clomiphene 50 mg daily for 3 months for oligospermia. Empierical medical therapy by administration of vit. c , B 12, folic acid. Varicocele: - surgical treatment Obstruction: -short-cut operation IVF/IUI : - last option.
Female Infertility: Evaluation n n n History (Questionnaire) Physical examination Ovarian factor Tubal factors Hormonal analysis Immunological test Postcoital test
History-Female n n n n Previous female pelvic surgery PID/Infection Medical diseases: -TB, diabetes, STD IUD use/MR done Ectopic pregnancy history Proven fertility Endometriosis
History-Female n n n Irregular menses, amenorrhea, detailed menstrual history Vasomotor symptoms Stress Weight changes Exercise Cervical and uterine surgery
Physical Exam-Female n n n n Pelvic masses Uterosacral nodularity Abdominopelvic tenderness Uterine enlargement Thyroid exam Uterine mobility Cervical abnormalities
Ovarian factors n n n Fern test Endometrial biopsy in secretory phase Serial USG Serum progesterone Laparoscopy D & C.
Tubal factor Tubal patency test by: n n Tubal insufflation test Hystero-salphingo-graphy Laproscopy dye insufflation test Hydrotubation
Hormonal n n n n FSH LH Estrogen Progesterone TSH Prolactin Testosterone Immunological n Antisperm antibody
Treatment for female factor n n n Anovular : - clomiphene citrate bromocriptine D&C: - histopathology, bacteriology Reconstructive surgery: - developmental defect Surgery: - tubal block If all method fails, then go for….
Assisted Reproductive Technologies n n n Intrauterine Insemination(IUI) In Vitro Fertilization(IVF) IVF and Intra Cytoplasmic Injection of Sperms(ICSI)
Intrauterine insemination (artificial insemination) • definition: Artificial introduction of semen into the vagina, cervix or uterus by means other than coitus to produce pregnancy is called artificial insemination. • sperm can come from husband or donor or pool donor.
IUI, cont’d. n 6000 babies / year born in US. as result of artificial insemination INDICATION OF ARTIFICIAL INSEMINATION: 1. 2. 3. 4. Impotent husband. Sterile husband. Husband suffering from hereditary disease. Rh-incompatibility between husband wife.
In vitro fertilization n test - tube babies” 1 st performed in 1978 (Louise Joy Brown) often performed on infertile women with tubal blockage
Test tube babies/ in-vitro fertilization Techniques: I. The ovum is removed from ovary through abdominal wall and is fertilized with the sperm in a small laboratory dish in artificial medium. . II. At the stage of blastocyst, the embryo is return to uterus through cervix. III. Blastocyst is implanted in endometrium.
Artificial insemination in laboratory disc Blastocyst
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