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RISK FACTORS
Some reports show that
industrialization had a serious impact on the reproductive system, because the
quality of the semen has diminished on men from United
States and Europe over
the last century. The toxins (physical, chemical) are considered potential
factors of infertility. For example, high temperature (hyperthermia),
electromagnetic fields or radiation are some of the physical factors that cause
infertility in men. Among the chemical factors we can enumerate marijuana,
cocaine, smoking or alcohol consumed excessively. Other factors that cause
infertility are pesticides, exposure to heavy metal, industrial toxins and many
more. Also, nutrition, stress or other lifestyle factors represent a risk
factor for infertility.
In general the risk
factors are the same for male and female infertility:
1) Overweight.
Being overweight and having a sedentary lifestyle are possible infertility causes. Many times obesity is
associated with polycystic ovarian syndrome (PCOS).
2) Underweight.
Women with anorexia, bulimia or the ones who follow a strict diet low in
calories are at risk of infertility. Vegetarians also may have a infertility
problem caused by the absence of zinc, vitamin B-12, folic acid and iron from
their alimentation.
3) Alcohol use.
Women shouldn’t drink alcohol during conception or pregnancy. Alcohol consumed
in moderate quantities doesn’t affect male fertility.
4) Smoking.
Both women and men are reducing their chances of conceiving if they are
smoking. In addition to this miscarriages occur more often at women who smoke.
The sperm of men who smoke has a lower quality than the one of nonsmokers.
Smoking marijuana also affects fertility.
5) Caffeine. Studies
show that an increased amount of caffeine may decrease the fertility especially
in women. The risk of a miscarriage is higher on women who consume caffeine
excessively. Caffeine can be found not only in coffee, it also found in tea,
chocolate, some medications or soft drinks.
6) Exercise.
Too much exercise (more than 7 hours a week) can cause ovulation problems.
Exercises that are too exhausting can affect the in
vitro fertilization treatment. But insufficient exercise can cause
obesity and that is another risk of infertility.
7) Age. The
older the woman is the lower her chances of fertility are. The eggs of older
women are disposed to chromosomal abnormalities. In addition to this, older
women may have other health problems that could stand in the way of conceiving.
After the fertilization takes place it is possible even for older healthy women
to deliver the baby even though they had a risky pregnancy. After the age of 32
a woman’s fertility decreases.
8) Vaginal douching
can cause gynecological problems that may affect fertility. It my cause
infection, preterm birth, pelvic inflammatory disease (PID).
9) Sexual practices
like having multiple partners without using a condom or having intercourse
during menstruation increases the risk of transmitting organisms that may cause
pelvic inflammatory disease causing infertility.
10) Stress. The hypothalamus gland controls
the reproductive hormones as well as the stress hormones. A high level of
stress hormones can stop the menstruation. It is still unknown if the stress
affects fertility, but is proven the fact that it affects the result of
fertility treatments.
Here are some risk factors for male infertility:
~ Testicular injury. Testicles can
be easily injured during a fight or a strenuous sport. These injuries can lead
to an inflammation reducing the blood supply of the testicles and damaging the
cells that produce sperm.
- Surgical procedures such as:
hernia repair, pelvic, bladder, prostate represent infertility risks.
- Exposure to excessive heat such
as sauna or hot tub may affect the sperm quality.
- Tight pants or shorts could
reduce the blood flowing in the groin affecting the sperm production. Hard
bicycle seats can lead to circulatory problems of the groin.
-Obesity or malnutrition reduce the
fertility.
- STDs (Sexually Transmitted
Diseases) like gonorrhea or Chlamydia are very dangerous because they don’t
show any symptom and if they are not treated they might cause scarring of the
tubes that carry the sperm. Sometimes lubricants contain spermicides so using
them during intercourse can lead to a fertility problem.
- Exposure to toxic chemicals (lead,
dioxins, aniline, radiation, cadmium) reduces fertility causing a disruption of
the hormone.
- Medications such as: minoxidil,
cimetidine, allopurinol, chochicine.
There are also a series of conditions and treatments that contribute to
male infertility:
- Diabetes. Complications of
diabetes may cause blood vessel abnormalities leading to problems with erection
or ejaculation.
- High blood pressure and its
medications like calcium, alpha blocker, channel blocker may be the cause for
erectile problems.
- Fever and infections. Viral
infections like mumps or prostates may cause a testicle inflammation. High
fever caused by pneumonia or flu can affect the sperm. Tuberculosis can block
the tubes that carry the sperm. Antibiotics that lead to infertility are:
tetracycline, sufasalazine, ketoconazole, erythromycin.
- Kidney disease can interfere with
sperm quality.
- Stroke, cardiovascular disease,
multiple sclerosis can cause erection problems.
- Cystic fibrosis is characterized
by the increased production of mucus.
- Chromosomal abnormalities like
Klinefelter’s syndrome interfere with fertility because it disrupts cell
division or affects the development of testicles.
~ Birth defects. There are men who
are born with abnormalities of the
reproductive system like the absence of the tubes that carry the sperm or
undescended testicles.
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