![](/rp/kFAqShRrnkQMbH6NYLBYoJ3lq9s.png)
Abnormal sperm morphology: What does it mean? - Mayo Clinic
2022年12月21日 · Sperm morphology is poorly understood, and it can be subjective. Scores can vary on the same semen sample, in the same lab, using the same scoring techniques. Most male fertility experts agree that the role of sperm morphology in predicting pregnancy is unclear, and that it's a poor predictor of infertility unless nearly 100% of the sperm are ...
Cirrhosis - Symptoms and causes - Mayo Clinic
2023年2月11日 · Cirrhosis is severe scarring of the liver. This serious condition can be caused by many forms of liver diseases and conditions, such as hepatitis or chronic alcoholism.
Creutzfeldt-Jakob disease - Symptoms & causes - Mayo Clinic
2023年1月28日 · Creutzfeldt-Jakob (KROITS-felt YAH-kobe) disease, also known as CJD, is a rare brain disorder that leads to dementia.
Aortic valve stenosis - Symptoms and causes - Mayo Clinic
2024年10月18日 · Overview. Aortic valve stenosis is a type of heart valve disease, also called valvular heart disease. The aortic valve is between the lower left heart chamber and the body's main artery, called the aorta.
Bundle branch block - Symptoms & causes - Mayo Clinic
2022年6月11日 · Bundle branch block is a condition in which there's a delay or blockage along the pathway that electrical impulses travel to make the heart beat.
Thrombocytosis - Symptoms and causes - Mayo Clinic
2022年12月30日 · Overview. Platelets are parts of the blood that help form blood clots. Thrombocytosis (throm-boe-sie-TOE-sis) is a disorder in which your body produces too many platelets.
Low sperm count - Diagnosis and treatment - Mayo Clinic
2024年10月23日 · General physical exam and health history. This includes an exam of your genitals. Your healthcare professional also asks questions about any inherited conditions, long-term health problems, illnesses, injuries or surgeries that could affect fertility.
Polycystic ovary syndrome (PCOS) - Symptoms and causes
Polycystic ovaries, hormone imbalance and irregular periods are telltale signs and symptoms of polycystic ovary syndrome.
Supraventricular tachycardia - Symptoms and causes - Mayo Clinic
2024年3月7日 · Overview. Supraventricular tachycardia (SVT) is a type of irregular heartbeat, also called an arrhythmia. It's a very fast or erratic heartbeat that affects the heart's upper chambers.
Mesenteric lymphadenitis - Symptoms and causes - Mayo Clinic
2024年1月10日 · An infection in the intestines, such as a virus, is the usual cause of mesenteric lymphadenitis. Also called mesenteric adenitis, the condition mainly affects children and teens.