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The level of female sex hormones​ will undergo corresponding physiological changes with the menstrual cycle. Clinicians should pay attention to the periodic changes of sex hormones when interpreting the test results, and need to know which stage of the menstrual cycle that patient is in and judge the relationship with related diseases.

The six sex hormone test reagents are mainly used to evaluate the reproductive endocrine function of men and women, and have important clinical significance and reference value for the diagnosis of menstrual disorders, sexual dysfunction, infertility and other diseases.

Drug of abuse tests, also known as drug tests, are used to detect the presence of illegal or prescription drugs in a person's system. This type of testing is commonly used in workplaces, schools, and by law enforcement agencies. The tests can be conducted using various methods, including urine, blood, hair, and saliva samples.

Driven by government support, scientific and technological innovation and market demand, the scale and strength of Chinese biomedical enterprises are continuously growing, domestic medical treatment is gradually recognized in the international market, and more and more Chinese enterprises choose to seek overseas market expansion.

There are various types of drugs that are classified as illegal or illicit substances, commonly known as drugs of abuse​. These drugs have different chemical compositions and effects on users. Some of the most commonly used drugs of abuse include opioids, cocaine, cannabis, amphetamines, hallucinogens, and designer drugs.

World Drug Day, also known as International Day Against Drug Abuse and Illicit Trafficking, is observed every year on June 26. It is a United Nations designated day to raise awareness about the dangers of drug abuse and illicit trafficking of drugs.

Pneumonia is a common respiratory disease that can be caused by a variety of pathogens. Among them, Mycoplasma pneumoniae and Chlamydia pneumoniae are important pathogens that cause atypical pneumonia. The detection of these two pathogens has become increasingly important in the clinical diagnosis and treatment of pneumonia.

Rotavirus, adenovirus, and norovirus are common causes of acute gastroenteritis among the children. Early and accurate detection of these viruses is crucial for effective treatment and prevention of the spread of disease.

Recently, there has been an increase in cases of hand, foot, and mouth disease (HFMD) caused by enterovirus 71 (EV71) among the children. This virus can cause severe neurological complications such as encephalitis and meningitis, which may lead to death.

Dragana Rogulja, a neuroscientist at Harvard Medical School, published a research paper titled: Sleep Loss Can Cause Death through Accumulation of Reactive Oxygen Species in the Gut in the top international academic journal Cell, proposing that the cause of sudden death induced by staying up late is not in the brain and heart,