Quiz

Viral

BuzzFeed Staff

BuzzFeed

How Much Do You Really Know About Sex?

The pill is [99% effective](http://www.nhs.uk/Conditions/contraception-guide/Pages/how-effective-contraception.aspx), followed by condoms at 98%, and diaphragms at 92-96%. However, only condoms also prevent STIs.

Contraceptive pill.

The average time a man spends having sex before he ejaculates is [5.4 minutes](http://onlinelibrary.wiley.com/doi/10.1111/j.1743-6109.2005.00070.x/abstract;jsessionid=16672893C227D81BAC657C0A4F35CEF2.f04t01) according to _The Journal of Sexual Medicine_

5.4 minutes

No wonder orgasms make people [lose control](https://hpenlaboratory.uchicago.edu/sites/caciopponeurolab.uchicago.edu/files/uploads/Ortigue_Neuropsychologia_review_2007.pdf).

Reason and behaviour control.

According to an average of [several studies](http://www.medscape.com/viewarticle/584195_2) the average penis length globally is between 5 and 6 inches.

5–6 inches

Although most people with chlamydia do not notice any symptoms, if left untreated it can cause infertility in women and a reduced fertility in men.

Chlamydia CAN cause infertility.

The external part of the clitoris is small, but it extends within the body for [about five inches,](http://thehairpin.com/2014/05/a-medium-courgettei) and has more nerve ends than a penis.

A courgette! (Or zucchini to the Americans.)

The [average sperm count](http://www2.oakland.edu/biology/lindemann/SpermFacts.htm) fell from 113 sperm/ml of semen in 1940 to 66 million/ml in 1990.

In long term relationships, only [29% of women](http://www.kinseyinstitute.org/resources/FAQ.html#orgasm) reported always having orgasms with their partner compared to 75% of men.

A woman's clitoris has [twice](http://books.google.co.uk/books?id=RY0n2CGS5EcC&pg=PP1&redir_esc=y#v=onepage&q=clitoris&f=false) as many nerve endings as a penis (4,000).

There are 8,000 nerve endings in the clitoris.

Although [less than a quarter](http://www.baus.org.uk/patients/symptoms/Premature+ejaculation) ever seek medical help for the condition, according to the British Association of Urological Surgeons.

Between 20-30% of men experience it.

With more than [1.2 million cases](http://www.cdc.gov/Features/dsSTDData/) in America in 2009 alone, chlamydia is the most frequently reported STI, with gonorrhea second and syphilis third.

Chlamydia

Oysters are rich in [rare amino acids](http://www.telegraph.co.uk/news/uknews/1486054/Raw-oysters-really-are-aphrodisiacs-say-scientists-and-now-is-the-time-to-eat-them.html) that are supposedly good for your sex drive, which has led to a common perception that they're an aphrodisiac. [The truth, however, is a lot more complicated.](http://www.buzzfeed.com/kellyoakes/sex-myths-that-just-wont-die?sub=3198318_2847153&utm_term=433a98w#1g3k9ud)

Oysters.

Through a process known as [vaginal tenting](http://kinseyconfidential.org/vaginal-size-cheating-arousal/), when a woman is aroused muscular tension pulls the uterus upwards which makes the vagina wider and longer. A vagina starts out 3–4 inches in lengths but can reach around 5–6 inches during arousal. It returns to its original size after intercourse is finished.

2–3 inches.

That's [five times their body length](http://www.thenakedscientists.com/HTML/questions/question/2472/) per second. If you scale it up, it would be like a whale swimming at 15,000 miles per hour.

5mm per minute.

Better get back to the books and scrub up on your sex-ed.

Sex slacker!

You're enthusiastic but perhaps you could do with getting to grips with the basics again.

Sex-cceptable!

You don't know everything yet - but you're getting there!

Sex aficionado. 

Sexpert!

About BuzzFeed Community

Community Brand Guidelines

BuzzFeed Community

Sorry, this content is <i>no longer</i> supported.

BuzzFeed Community Guidelines

BuzzFeed Community Leaderboard

BuzzFeed News has breaking stories and original reporting on politics, world news, social media, viral trends, health, science, technology, entertainment, and LGBTQ issues.

All the best animals on the internet. The snuggle is real.

BuzzFeed has breaking news, vital journalism, quizzes, videos, celeb news, Tasty food videos, recipes, DIY hacks, and all the trending buzz you’ll want to share with your friends. Copyright BuzzFeed, Inc. All rights reserved.

BuzzFeed News | Breaking News | Original Reporting | News Analysis

Animal Pictures and Videos - Adorably from BuzzFeed

Name

Thanks for subscribing!

Stay up to date with our latest BuzzFeed video. Enter your email to subscribe!

Oops! Upload an image or add text to submit.

BuzzFeed has the hottest, most social content on the web. We feature breaking buzz and the kinds of things you'd want to pass along to your friends.

How Much Do You Really Know About Sex?

Share This Article