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1. www.webmd.com › erectile-dysfunction › how-an-erection-occursPenis: Anatomy, Picture, Erection, and Ejaculation - WebMD

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   2024年5月17日 · Anatomy of a penis: Understand the various parts of a penis, how you get an erection, and how an ejaculation actually happens.

2. www.webmd.com › defaultWebMD - Better information. Better health.

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   WebMD provides reliable health and medical information, expert commentary, and educational services for better health.

3. www.webmd.com › mobileWebMD Mobile Apps

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   WebMD App. Research conditions, check your symptoms with our Symptom Checker, access drug and treatment information, get first aid essentials, check local health listings, and find the latest ...

4. www.webmd.com › sex › how-to-have-anal-sex-first-timeFirst-Time Anal Sex: How to Do It and Necessary Precautions

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   • Overview
   • Anal Sex
   • First-Time Anal
   • Preparing for Anal
   • Doing Anal
   • Risks OfAna

   This article provides information on anal sex, including what it is, how to prepare for it, and the risks involved. It covers topics such as pain during anal sex, using toys during anal play, preparing for first time anal experiences and safety tips when having anal sex.

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   Anal sex refers to inserting a penis, toy or fingers into the anus and can be performed by any person regardless of gender or sexual orientation. It is important to prepare correctly for anal sex and have trust in your partner.

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   Does anal sex hurt? What does it feel like? Should I use toys? These are common questions about first-time anal sex that should be answered before trying it.

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   Talking with your partner, making sure you're safe, buying necessary things such as lubricants are essential steps in preparing for your first time doing anal.

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   Start with foreplay, slowly explore the area without penetration, put lube on both partners' genitalia and anus before penetration starts, find a comfortable pace while experimenting from there. This guideline is also valid if using toys instead of a penis.

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   STIs are a big concern when having anal sex but risks can be reduced by always using condoms and changing them between different types of sexual contact; using enough lubricant; relaxing as much as possible; going to the bathroom 30 minutes prior to starting anal sex.

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5. www.webmd.com › sex-relationships › masturbation-guideMasturbation - Is Masturbation Normal or Harmful? Who ...

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   2022年12月16日 · Masturbation is the self-stimulation of the genitals to achieve sexual arousal and pleasure, usually to the point of orgasm (sexual climax). It is commonly done by touching, stroking, or...

6. www.webmd.com › sex-relationships › what-to-know-how-oftenHow Often Do Married Couples Have Sex? - WebMD

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   2023年7月11日 · Learn about the frequency of sex among married couples. Discover why it differs from one couple to another and the factors at play.

7. www.webmd.com › a-to-z-guides › parathyroid-hormoneParathyroid Hormone (PTH) Test: High vs Low PTH Levels, ...

   www.webmd.com › a-to-z-guides › parathyroid-hormone

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   2021年11月12日 · If your calcium levels are too high or too low, you may need a parathyroid hormone blood test to learn why. Tiny parathyroid glands in your neck may be making too much or too little hormone to ...