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1. www.webmd.com › migraines-headaches › migraines-headachesMigraine: Symptoms, Causes, and Treatment - WebMD

   www.webmd.com › migraines-headaches › migraines-headaches

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   2024年3月14日 · Migraine headaches, also known as migraines, are a type of headache that can cause debilitating pain. Learn more about the types, causes, symptoms, diagnosis, & treatment of migraines.

2. www.webmd.com › baby › ssConception Pictures: From Egg to Embryo - WebMD

   www.webmd.com › baby › ss

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   2023年10月11日 · Baby's Development. 9 /9. After the egg attaches to the uterus, some cells become the placenta while others become the embryo. The heart begins beating during week 5. The brain, spinal cord, heart ...

3. www.webmd.com › heart › understanding-low-blood-pressure-basicsLow Blood Pressure: Causes, Symptoms, and Treatment Options ...

   www.webmd.com › heart › understanding-low-blood-pressure-basics

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   2023年8月17日 · Low blood pressure, also known as hypotension, can cause dizziness, fainting, and fatigue. Discover the causes, symptoms, and treatment options in this comprehensive guide.

4. www.webmd.com › baby › bleedingVaginal Bleeding and Blood Clots During Pregnancy - WebMD

   www.webmd.com › baby › bleeding

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   2024年5月10日 · Other causes of bleeding in early pregnancy include: Cervical changes. During pregnancy, extra blood flows to the cervix. Having sex or a Pap test, both of which cause contact with the cervix, can ...