Vitamin D deficiency reduces fertility

Vitamin D deficiency reduces fertility

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Vitamin D, which has positive effects on the immune system, is known for its protective properties against hypertension, heart diseases, some cancers and autoimmune diseases. Decreased intake of vitamin D as a result of time spent indoors and irregular eating habits threaten not only the health of young people but also their fertility. Medical Park Bahçelievler Hospital Obstetrics and Gynecology Specialist Asst. Assoc. Dr. Cagil Orphan, vitamin D deficiency observed in women and men with infertility problem, even in women with this problem in women in the future of menstrual irregularities, leading to reduced the probability of pregnancy. occurs in the skin. Adequate amounts of vitamin D, especially prevents bone resorption, provides the formation of healthy bone and muscle structure. Medical Park Bahçelievler Hospital Obstetrics and Gynecology Specialist Asst. Assoc. Dr. Cagcil Orphan, in parallel with the change in living conditions in recent years more time spent in closed spaces, having to work in the dark and the sun does not see the cause of vitamin D deficiency, this indirectly emerged as a factor that negatively affects pregnancy. Asst. Assoc. Dr. Cagcil Orphan, recently abandoned the application of winter time, drew attention to the time spent in the darkness further. Recent studies have shown that vitamin D has significant effects especially on reproductive organs, saying that the deficiency of this vitamin increases infertility in men and women. Asst. Assoc. Dr. Cagcil Orphan, gave the following information on the subject;


“In recent years, many people have avoided going to the sun because of fear of skin cancer due to sun rays, use of sunscreens too much, environmental pollution, malnutrition causes the vitamin D deficiency problem more frequently. In recent years, vitamin D in women during each menstrual period or infertility treatment, increasing the number and quality of eggs, fertilization of the egg by the sperm, intrauterine thickness and the baby to hold the uterus and thus the chance of pregnancy to occur in the fertility of both in vitro fertilization treatment Research shows that the mother who brings vitamin D deficiency during pregnancy may cause problems such as menstrual irregularity and decrease in pregnancy potential in the developmental process of the girls in the development process. In men, it can be said that vitamin D supplementation increases sperm fertilization by accelerating sperm movement and also providing some increase in sperm count in individuals with low sperm count and slow motion.

Causes of vitamin D deficiency

Inadequate sun exposure, undernutrition from foods containing vitamin D, inadequate absorption of vitamin D from the intestine, inability to convert into the effective form of vitamin D in patients with liver or kidney disease, and also some medications may cause vitamin D deficiency. Vitamin D deficiency and insufficiency can be diagnosed with vitamin D (25OHD) levels. Vitamin D deficiency is defined as normal above 30 ng / ml and vitamin D deficiency below 20 ng / ml.


Daily vitamin D requirement can be met by exposure to arms, legs and face for 20 minutes. Required amount of sunlight; Depending on the person's age, skin color, duration of exposure and other medical problems if any. The intake of vitamin D through the skin begins to decrease with the advance of age. In people with darker skin color, long-term daylight is needed especially in winter to ensure that adequate vitamin D is formed on the skin. Vitamin D cannot form in the skin for sun protection (20 factors and more). Foods are another important source of vitamin D. Vitamin D is naturally found in some foods. It is found in salmon, geranium and tuna, butter, milk, oats, sweet potatoes, egg yolks, oils, especially from the salty (sea) fish which are oily. Parsley, nettle, clover are available. Milk and dairy products, bread, cereals are enriched with vitamin D in some countries. Also in case of vitamin D deficiency supplementation is made with vitamin D preparations.


Areas where foggy weather is common, areas where air is heavily polluted by factory fumes or car exhaust fumes, indoor clothing preferences prevent the formation of adequate vitamin D. In general, the dose of vitamin D required to maintain normal levels of vitamin D in adults is 400 to 800 IU. A supplement containing this amount of vitamin D is sufficient.


Since vitamin D is a fat-soluble vitamin, over-intake of vitamin D creates a picture called vitamin D poisoning. In this case, blood calcium rises and health problems may arise. In order to prevent this condition, the drug leaflets should be read carefully and several drugs containing vitamin D should not be taken together. For example, multivitamins and vitamin D preparations should not be taken together.

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