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 ...
Healthy sperm: Improving your fertility - Mayo Clinic
2022年5月13日 · Structure (morphology). Typical sperm have oval heads and long tails, which work together to propel them. This is not as important a factor as sperm quantity or movement.
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.
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.
Polycystic ovary syndrome (PCOS) - Symptoms and causes
Polycystic ovaries, hormone imbalance and irregular periods are telltale signs and symptoms of polycystic ovary syndrome.
Coronary calcium scan - Mayo Clinic
2023年7月22日 · Coronary calcium scan results can help determine the risk of heart attacks or strokes. Results from the scan may be used to plan or change treatment for coronary artery disease.
Nonalcoholic fatty liver disease - Symptoms and causes
2024年4月4日 · Nonalcoholic fatty liver disease, often called NAFLD, is a liver problem that affects people who drink little to no alcohol.
Pityriasis rosea - Symptoms & causes - Mayo Clinic
2024年7月12日 · Pityriasis rosea is a rash that often begins as an oval spot on the face, chest, abdomen or back. This is called a herald patch and may be up to 4 inches (10 centimeters) across.
Amyloidosis - Symptoms and causes - Mayo Clinic
2023年5月13日 · Causes. There are many different types of amyloidosis. Some types are hereditary. Others are caused by outside factors, such as inflammatory diseases or long-term dialysis.
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.