Article
Can Pesticide Residues Present In Food Affect Semen Quality?
According to some studies, the presence of pesticide residues in fruits and vegetables can affect semen quality of men who eat these foods. An alteration in semen quantity and morphology has been noted.
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Absent uterus: What is Mayer-Rokitansky-Küster-Hauser syndrome?
Mayer-Rokitansky-Küster-Hauser syndrome, also known as Rokitansky syndrome, is a congenital malformation consisting in the absence of vagina, uterus and tubes in women. The exact cause of this syndrome is not well known, but it is caused by an incorrect embryonic development.
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Why is asthma control important in pregnant women?
Asthma is a chronic disease that must be kept under control during pregnancy to avoid possible risks to mother and baby. Currently, poorly controlled asthma is considered to present more risks than the administration of medications that are commonly used to control asthma during pregnancy.
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What is the relationship between meiosis and fertility, and is it necessary?
Meiosis is the special division experienced by cells that will create eggs in females and sperm in males. Chromosome reduction is needed to form an embryo with the same amount of information as the parents.
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How are spermatozoa formed? - Phases of spermatogenesis
Spermatogenesis is the process of sperm formation. This process consists of different phases (proliferative, meiotic and spermiogenesis) and occurs in the seminiferous tubules of the testes. For spermatogenesis to be carried out correctly, hormonal regulation is necessary.
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Low ovarian reserve? Causes and possibilities of getting pregnant
Low ovarian reserve refers to the low number of oocytes available in a woman's ovaries at a given time in her life. It is one of the main causes of female infertility and is strongly related to age, since after 35 years of age, the ovarian reserve drops drastically.
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What Are the Steps of Fertilization in Humans?
Fertilization of the egg is essential for pregnancy to occur. The union of the egg and sperm can occur naturally in the fallopian tubes or in vitro in the laboratory. Once the egg is fertilized, the zygote is formed, which will divide and move until it reaches the uterus.
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What Are Monogenic Disorders? - Classification & Most Common Types
Monogenic diseases are those caused by the mutation of a specific gene in an individual's genome. The inheritance of these genetic diseases can be dominant, recessive or linked to sex chromosomes. To prevent their transmission to offspring, it is possible to undergo IVF treatment with PGD.
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What treatment options exist for oligospermia (low sperm count)?
The most appropriate treatment to cure oligospermia (low sperm concentration) depends on the cause of the oligospermia, and can be natural, pharmacological or surgical.
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What is the 27th week of pregnancy like and what changes occur?
The 27th week of pregnancy corresponds to the penultimate week of the seventh month of gestation. During this week, the lanugo that covers and protects the baby's skin begins to fall off. Despite this, the skin of the fetus remains protected by the protective covering called vernix.
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What Are Sexually Transmitted Diseases (STDs)? - Symptoms & Types
Sexually Transmitted Diseases (STDs) are infections caused by bacterial agents, viruses or parasites, which are transmitted through sexual contact, either vaginally, anally, or orally.
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Cervical Conization: Types and Possible Complications
Cervical conization or cone biopsy refers to a surgical procedure to remove premalignant lesions in the cervix. These lesions are usually caused by the human papillomavirus (HPV) and are known as cervical dysplasia.
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