In the United States, it is estimated that approximately 15% of the population
falls into the category of being unable to conceive. In 40% of these cases,
sperm abnormalities are either a factor or the factor.
Male factor infertility is assessed based upon the following values:
(1)
deficient sperm count (less than 10 million per millileter;
volume should be 1 - 5 mL of ejaculate)
(2)
insufficient sperm motility (over 60% should be motile and demonstrate
purposeful forward movement), and/or
(3)
poor sperm morphology (more than 50-60% abnormal in form)
Infertility is defined as the inability to fertilize the ovum; whereas sterility
is defined as the lack of sperm production.
The average ejaculate sample contains almost 200 million sperm. Amazingly
enough, only a few dozen sperm actually reach the egg for a chance at
penetration. This makes for some pretty ominous statistics for sperm overall. It
is for this reason that sperm numbers must be so high, just to have a modicum of
hope of reaching the vicinity of the egg traveling down the fallopian tube. If
both partners have fertility issues, it seems truly a miracle that conception
ever even takes place. Luckily, there are methods to improve sperm count,
motility, and morphology.
Etiology
Male fertility depends upon adequate production of spermatozoa by the testes,
unobstructed transit of sperm through the seminal tract, and satisfactory
delivery to the ovum. Deficient sperm production may be affected by factors such
as radiation and other environmental toxins, undescended testis, varicocele,
traumatic induced or infectious testicular atrophy, drug effects, prolonged
fever, and endocrine disorders that affect the hypothalamic-pituitary-gonadal
axis. Antisperm antibodies may be a factor in certain couples, and may be
produced by either partner. If a man produces antibodies to his own sperm, the
antibodies will typically attack the sperm's tail. If the woman produces sperm
antibodies, they will often attack the head of the sperm.
Congenital anomalies may obstruct the seminal tract, as well as certain surgical
procedures. Low sperm counts can be aggravated, if not caused, by factors such
as tight fitting underwear which raises the scrotal temperature, environmental
toxins, urogenital infections, poor diet and prescription drugs (anti-hypertensives
and anti-inflammatories can drastically reduce sperm count). Even
anti-histamines negatively affect sperm count, by diminishing the seminal fluid,
which contains high levels of anti-oxidants within it. Stress, lack of sleep,
and overuse of alcohol, nicotine and marijuana decrease sperm production as
well.
When the cause of the abnormality is known, often its identification and
elimination can cure the problem. In other cases, deeper analysis is necessary.
Diagnosis
Significant medical history would include a history of childhood cryptorchidism
(failure of the testes to descend), mumps, or history of sexual problems.
Physical manifestations may include structural abnormalities, particularly the
presence of a varicocele (scrotal swelling). The size and shape of the testicles
should be within the normal range. General evaluation of secondary sex
characteristics may provide clues to an underlying endocrine disorder.
Hypothyroidism, hypopituitarism, other functional adrenal disorders, and
hypogonadism are certain endocrine disorders which may possibly play a role in
sperm abnormalities.
Male sterility is easier to diagnose with western methods than female
infertility, but harder to treat. The only potential remedy is surgery. Yet many
men with sperm problems are treated effectively with nutritional supplementation
and herbs. If the physical examination reveals no abnormality and the man is not
impotent (able to engage in intercourse, can become erect, and can ejaculate),
the next diagnostic step consists of obtaining a sperm specimen and examining
the ejaculate histologically for numbers, motility, and morphology (correct
shape). A minimum of 2 to 3 specimens should be analyzed before determining
ejaculate adequacy, as sperm values can fluctuate from one sample to the next.
Grossly the semen should look slightly viscous and opaque, and the volume should
be between 1 and 5 mL.
Sperm density should be (optimally) over 20 million/mL. The results of semen
analyses are recorded into the following categories:
(1)
adequate
(2)
aspermia - absence of ejaculate (surgical sequelae or neurogenic
dysfunction)
(3)
azoospermia - absence of sperm in the semen (from testicular
disorders)
(4)
oligospermia - lowered sperm density
(5)
diminished motility and impaired sperm forward progression
(6)
abnormal sperm morphology
(7)
antisperm antibodies.
An Overview of Sperm Production
Sperm production begins during puberty in response to the same hormones (LH and
FSH) as in the female. But the LH signals cells within the leydig cells of the
testes to produce testosterone, and FSH signals sertoli cells to produce sperm.
Estrogen is also important in sperm formation, but too much dietary synthetic
sources of estrogen can be harmful.
The seminal vesicles secrete substances which nourish the sperm, including
fructose (which feeds the sperm), fibrinogen (which holds or coagulates the
fluid together) and prostaglandins (which help the sperm penetrate the cervix).
The prostate adds an alkaline fluid to the ejaculate. It is extremely important
to keep the sperm in a more alkaline environment because the vaginal pH is
relatively acidic. Seminal fluid in normal, fertile men contains antioxidant
factors. In many subfertile men the seminal fluid may not contain the protective
elements, or the circulating free radicals may be so abundant that the seminal
fluid is not capable of scavenging the damaged reactive oxygen species.
Therefore, men with suboptimum sperm counts should include dietary sources of
antioxidants.
The plasma membrane of human sperm contains high levels of polyunsaturated fatty
acids, making them extremely susceptible to peroxidative changes. Free radical
damage leads to functional impairment in the sperm, lowering motility and
morphology.
Most vaginal lubricants are hostile to sperm. The only vaginal lubricants which
have been found to support sperm longevity are egg whites (yes, really) and
canola oil.
Treatment
Avoid excess environmental toxins including synthetic estrogens. Beef and dairy
cattle are often fed bovine growth hormone to enhance growth and milk
production. Most meat, dairy products, and even poultry and eggs contain
substantial quantities of synthetic estrogens. Some reports have shown the
presence of synthetic estrogen in sources of drinking water as well. Therefore,
purified drinking water is suggested.
Pesticides and other chemicals which may impair spermatogenesis are found in
non-organically grown produce. It is therefore best to consume organic fruits
and vegetables.
Keep scrotal temperatures between 94 and 96 degrees Fahrenheit. Men with slight
varicoceles are encouraged to use cool packs daily on the testicles.
Avoid saturated fats, hydrogenated oils, coconut, palm and especially cottonseed
oil (contains gossypol which inhibits sperm formation).
Include polyunsaturated oils and essential fatty acids.
Natural Supplements
Soy products contain isoflavones or phytoestrogens which occupy estrogen
receptor sites at the exclusion of circulating synthetic estrogens, and have a
very weak estrogenic (which physiologically translates to anti-estrogenic)
effect. Soy, other legumes, nuts and seeds also contain phytosterols which
promote testosterone production.
Oxidative damage is present in almost half of the diagnosed cases of
oligospermia. To prevent further free radical damage to developing sperm, it is
recommended that the following nutritional supplementation be included:
Vitamin C - 2,000 mg/day (in divided doses)
Vitamin E - 800 IU/day
Beta-carotene - 100,000 IU/day
Selenium
Other nutritional supplements which are critical to sperm production include:
Zinc - 60 mg/day (necessary for sperm production and
testosterone metabolism)
Vitamin B12 - 1000 ug/day (involved in the replication of cells)
L-Carnitine - 600 mg. three times per day (found in very high levels
in sperm, this amino acid transports fatty acids into the mitochondria
and assists sperm motility)
Because of sperm's susceptibility to oxidative damage it is recommended to
include free-radical scavengers like oligomeric proanthocyanidins. One of the
most potent bioactive antioxidant sources comes from the extracts of pine bark
extract, red wine extract, grape seed extract, and bilberry extract. Oligomeric
proanthocyanidins may be purchased through health and nutritional sources.
TCM Diagnosis
From a Chinese perspective, the main causes of male infertility fall under two
broad categories: one is a deficiency of the Kidneys (usually kidney Yang;
sometimes kidney yin); the other is damp-heat in the pelvic organs. [Kidney
deficiency may also affect the liver and spleen and lead to stasis of qi and
blood.] The presence of a varicocele translates to blood stasis in our Chinese
medical diagnosis. The swollen veins obstruct transit; it is therefore necessary
to invigorate and move the blood so the sperm can develop normally.
Chinese Medical Treatment
Ginseng (Chinese, Korean, or Siberian), which supplements the source qi,
promotes testicular growth, testosterone levels and sperm formation.
Cornus Officinalis Fructus, used to stabilize the kidney essence, and tonify the
liver and kidneys, has been found to improve sperm motility.
Kidney yang tonics like Eucommia, Epimedii, Radix Morindae Officinalis and Cornu
Cervi Parvum are used in the appropriate presentation of impotence, fatigue, low
back pain, urinary frequency and spermatorrhea.
Sperm antibodies are addressed according to pattern discrimination, for both
males and females, and treated accordingly.
Most men with diagnosed varicocele that I treat respond to improvement with the
formula Cinnamon and Poria decoction or Gui Zhi Fu Ling Wan, which consists of
Ramulus Cinnamomi Cassiae, Sclerotium Poriae Cocos, Radis Paeoniae, Cortex
Moutan Radicis, and Semen Persicae. This formula, which is traditionally used
for gynecologic disorders of blood stasis in the uterus, has proven very
promising in treating morphologic sperm abnormalities resulting from varicocele.
The formula invigorates the blood, inhibiting the pooling mechanism which causes
the poor sperm quality. A study from the American Journal of Chinese Medicine,
24, 1996, on The Effects of Guizhi-fuling-wan on male infertility with
varicocele was conducted by Ishikawa, Ohashi, Hayakawa, Kaneko & Hata at the
Department of Urology, Ichikawa General Hospital in Japan. The abstract reported
that 37 infertile patients with varicocele were treated with Gui Zhi Fu Ling
Way, (7.5 g/day) for three months. Semen qualities such as sperm concentration
and motility were graded. A varicocele disappearance rate of 80% was obtained
with 40 out of 50 varicoceles, and sperm count and motility improvements were
found in 71.4% and 62.1% of patients, respectively.
Journal of Chinese Medicine, Number 54, May 1997, entitled Xu Runsan's
Experience in Treating Sperm Abnormality, stated the main causes of sperm
abnormality are deficiency of the kidney yang or kidney yin, or deficiency of
the kidneys which affects the liver and spleen and leads to stasis of qi and
blood or downward flow of damp-heat.
Differentiation and treatment was made as follows: 1) Deficiency of kidney yang
aversion to cold
low back pain
coldness in the scrotum
deep and thready pulse
thin and white tongue coating
thin and white tongue coating
You Gui Wan
Shu Di Huang, Shan Yao, Shan Zhu Yu, Tu Si Zi, Gou Qi Zi, Lu Jiao Jiao, Du Zhong,
Dang Gui, Rou Gui, Fu Zi
for patients with aspermia remove Du Zhong, Rou Gui and Fu
Zi and add Chuan Xiong and Hong Shen
for patients with absence of sperm liquefaction add Bei Xie
for patients with dead sperm add Xu Duan
Giovanni Maciocia's Obstetrics & Gynecology in Chinese Medicine
suggests treating kidney yang deficiency with the prescription: Wu Zi Yan Zong Wan, Five Seeds Developing the Ancestors Pill:
Lycium, Cuscutta, Schissandra, Semen Plantaganis, and Fructus Rubrus. 2) Deficiency of kidney yin
emaciation
irritability
weak, frail pulse
red tongue body
Zuo Gui Wan variation
Shu Di Huang, Shan Yao, Shan Zhu Yu, Tu Si Zi, Gou Qi Zi, Gui Jiao, Lu Jiao Jiao,
Niu Xi
for patients with aspermia add Dang Gui, Chuan Xiong, Nu
Zhen Zi, and Han Lian Cao
for patients with absence of sperm liquefaction add Dan Shen, Bei Xie,
and Huang Bai
Stimulate acupuncture points
Sp 6 Three yin meeting
Ren 4
K3
K7
A study conducted by the College of Acupuncture & Moxabustion at the
Shanghai University of TCM, Shanghai, China, reported 35 cases of dysspermia
infertility were treated only with low frequency electroacupuncture on Sp6, Ren
12 and Ren 4 along with moxibustion (heating the acupoints). The results of the
study showed improvement in lumbosacral aching, frequent urination, emission and
prospermia; activity and quantity of sperm, semen quality and spermatogenic
environment (semen quantity increased obviously after treatment with significant
decrease of mucosity and liquefaction time) improved. Sex hormones were
normalized as follows:
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