Birth control basics
Learning Center
Abnormal sperm morphology: What does it mean?
Abnormal sperm morphology may be a contributing factor in male infertility.
Acid reflux and GERD: The same thing?
Acid reflux and GERD are closely related, but the terms aren't necessarily interchangeable.
Acute bronchitis: Is it contagious?
Most cases of acute bronchitis are caused by viruses and are contagious. Learn ways to reduce your risk of catching viruses that can cause bronchitis.
Anxiety: A cause of high blood pressure?
Anxiety can cause dramatic, temporary increases in blood pressure.
Asthma and acid reflux: Are they linked?
A Mayo Clinic expert discusses how acid reflux can make asthma worse.
Birth control: Can preejaculation fluid cause pregnancy?
This possible cause of pregnancy makes withdrawal a method of birth control you cannot rely on.
Blighted ovum: What causes it?
A Mayo Clinic specialist explains what's behind this type of early pregnancy loss.
Blood pressure readings: Why higher at home?
Blood pressure that consistently measures higher outside a medical office is called masked hypertension.
Blood pressure: Does it have a daily pattern?
Like many body functions, blood pressure has a daily pattern. Find out more.
Caffeine: How does it affect blood pressure?
Caffeinated drinks can raise blood pressure in the short term. But the long-term effects on blood pressure aren't clear.
Refine Your Search
Type
- All
- Answer
Gender
Age
- All
- 45 to 64 middle (45)
- 19 to 44 younger (43)
- 65 to 80 older (7)
- 80 and over (5)
Focus
- All
- Causal Risk Factor