Infertility and Its Causes
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Questions and Answers

According to the lecture, in Malaysia, the total fertility rate (TFR) declined dramatically from 4.9 children per woman in 1970 to ______ in 2020

1.7

In the diagnosis of infertility, ______ of the causes are related to female factors, ______ to male factors, and ______ are unexplained or both

1/3, 1/3, 1/3

Fertility in women decreases by ______% at the age of 40

50

One of the female factors causing infertility is ______, which involves a severe pain during sexual intercourse

<p>vaginismus</p> Signup and view all the answers

Assisted Reproductive Technology (ART) includes techniques such as ______, ICSI, GIFT, and ZIFT

<p>IVF</p> Signup and view all the answers

Intrauterine insemination (IUI) is a type of ______ treatment

<p>fertility</p> Signup and view all the answers

One of the male specific causes of infertility is ______, which is an obstruction in the male reproductive ducts leading to azoospermia

<p>obstruction</p> Signup and view all the answers

Pre-implantation genetic testing (PGT) is a type of ______ used to diagnose genetic disorders in embryos

<p>ART</p> Signup and view all the answers

The process of ________________ is used to preserve gametes or embryos for future use.

<p>cryopreservation</p> Signup and view all the answers

The first step in IVF or ICSI is ________________ ovarian stimulation.

<p>controlled</p> Signup and view all the answers

In semen analysis, the normal volume of semen is typically between ________________ ml.

<p>1.5-5.0</p> Signup and view all the answers

The WHO guidelines define a normal sperm concentration as greater than ________________ x 10^6/ml.

<p>15</p> Signup and view all the answers

Oligozoospermia refers to a condition where the semen has a low ________________ of sperm.

<p>concentration</p> Signup and view all the answers

In semen analysis, the pH of normal semen is slightly ________________ with a pH greater than 7.0.

<p>alkaline</p> Signup and view all the answers

Sperm morphology is an important parameter in semen analysis, and it includes the evaluation of ________________ morphology.

<p>abnormal</p> Signup and view all the answers

The ________________ transfer is a type of assisted reproductive technology where the eggs are fertilized in the fallopian tube.

<p>GIFT</p> Signup and view all the answers

Sperm preparation for ART involves the removal of ________________ fluid.

<p>seminal</p> Signup and view all the answers

In semen analysis, total motility is calculated as the percentage of sperm with ________________ and slow progressive motility.

<p>rapid progressive</p> Signup and view all the answers

Study Notes

Infertility

  • Definition: inability to conceive after one year of regular, unprotected sexual intercourse
  • Primary infertility: infertility in a person who has never had a child
  • Secondary infertility: infertility in a person who has had a child before
  • 48.5 million couples worldwide suffer from infertility
  • Fertility rate in Malaysia declined from 4.9 children per woman in 1970 to 1.7 in 2020

Causes of Infertility

General Causes

  • Genetic factors
  • Health conditions: diabetes, thyroid, STD, cancer, hypothalamic-pituitary factors
  • Environmental factors: pesticides, chemicals, heavy metals, radiation
  • Lifestyle: Excessive alcohol intake, smoking, drug abuse
  • Medications: anti-depression, NSAIDs, uncertified local products
  • Chemotherapy
  • Dietary factors: nutrient deficiencies, high cholesterol, caffeinated coffee

Female Factors

  • Vaginismus
  • Tubal factors: history of PID, tubal surgery, previous ectopic pregnancy
  • Pelvic causes: endometriosis, adhesions
  • Ovarian disorders: aging, diminished ovarian reserve, endocrine disorder, PCOS
  • Uterine/cervical factors: congenital uterine anomaly, fibroids, poor cervical mucus, infection

Male Specific Causes

  • Obstruction in male reproductive ducts: azoospermia
  • Hormonal disorders: abnormalities in hormones produced by pituitary gland, hypothalamus, and testicles
  • Varicocele, accessory gland infection, hydrocele
  • Psychosexual problem: erectile dysfunction, premature ejaculation, physical disabilities

Fertility Treatment

  • Timed sexual intercourse
  • Intrauterine insemination (IUI)
  • Assisted Reproductive Technology (ART)
    • In vitro fertilization (IVF)
    • Intracytoplasmic sperm injection (ICSI)
    • Gamete intrafallopian transfer (GIFT)
    • Zygote intrafallopian transfer (ZIFT)
    • Cryopreservation – gametes, embryos
    • Pre-implantation genetic testing (PGT)

Important Steps for IVF or ICSI

  • Controlled ovarian stimulation
  • Oocyte retrieval
  • Oocyte freezing
  • Insemination of gametes – IVF or ICSI
  • Embryo culture
  • Embryo transfer

Semen Analysis

  • Abstinence 2-5 days before test
  • Collected by masturbation or coitus interruptus
  • Collected in a sterile container
  • Do not use lubricant or condom
  • Must bring to lab within 45min – 1 hr (kept in body temperature)
  • Macroscopic analysis: color, liquefaction, viscosity, volume, pH
  • Microscopic analysis: sperm concentration, sperm motility, sperm morphology
  • Sperm agglutination
  • Sperm viability

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Description

This quiz covers the definition, types, and causes of infertility, including genetic factors and health conditions. It also touches on global statistics and declining fertility rates.

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