【有關這些事 】你有聽過這些傳聞嗎？
#凡事要factcheck
#人人化身性事小博士
#星期六放輕身心
性事謬誤真與假？
坊間有不少有關性事的傳聞，你又有否聽過？但又知否這是真還是謬誤？
1/ 事後用可樂清洗？
「有傳聞說女性事後用可樂清洗下體可殺精，減低懷孕的機會。」
NO！
可樂其實是甜味的碳酸飲品，雖然接觸對皮膚無礙，但著實沒有殺精的功效。相信沒有人會想用甜膩的可樂來洗澡吧，還要是沖洗身體最嬌嫩的部位，而且糖分更有可能殘留在陰道，濕潤的環境會令細菌容易滋生，有機會形成陰道發炎！
2/ 打孖上更安全？
「一個避孕套不夠安全？打孖上就多一層保護了！」
NO！
其實一個比兩個安全得多！戴兩個避孕套更有能在過程中因摩擦而脫落及破損，所以有時多不一定是好！
3/ 女性事後小便防感染？
YES！
這是對的，女性天生的身體構造問題，尿道、陰道與肛門位置很接近，因此比較容易被細菌感染出現尿道炎，而且性交時更有可能把外來的細菌帶進體內，性交後小便可把尿道的細菌沖洗出來，減低出現尿道炎的機會。
4/ 性交後跳兩下防懷孕？
「性交完事後跳幾下，把精子戥出來就不會懷孕。」
NO！
相信原因也不用多說了，還是好好選用正確的避孕方法吧！
5/ 花生油當潤滑劑？
「家中沒有潤滑劑，花生油也是植物油應該也可替代吧！」
NO！
食用花生油經榨取過程，味道香濃，但由於提煉過程以食用為基本而非外用，還是不建議用作潤滑劑，最好還是選用醫學認證的更穩妥。假如你對有化學成分的潤滑劑過敏，建議使用無添加的天然萃取基底油，如甜杏仁油或葡萄籽油更安全，最好還是有認證的更好，也要注意油性潤滑劑不宜與避孕套同用。
6/ 男人一輩子只有2公升？
「有人說男人一輩子只有2公升的精液，用完就沒有了！」
NO！
其實這都是謬誤，但縱慾或自慰過度的確會令男士出現腎陰虛的症狀，從而影響生殖能力，久而久之也有可能出現遺精、早泄、陽萎及不孕的情況。
7/ 經期間性交不會懷孕？
「經期時不就是最安全，不用避孕也不會懷孕！」
NO！
首先，在經期間性交先要注意衛生問題，這時候接觸感染的風險會變得較高，更要小心保護以防被傳染及感染。另外，有些女性會有排卵期重疊的問題，而且精子能在女性體內存活72小時以上，即使來經時性交也有可能受孕。
8/ 沒有性交也會感染性病？
「有人說即使沒有『真正』的性交，透過手或毛巾也會傳染性病的。」
YES！
要明白某些病毒的生存力強及存活時間較長，假如不加好好消毒，有可能留在衣物、毛巾等物件的表面，也會透過接觸受感染的體液例如血液、陰道液或精液而感染，因此也要小心保護自己。
Sex related myths and facts
There are a lot of myths surrounding sex. Have you heard of them? And do you know if they are true or not?
1/ Douching with Coke after sex?
"There are rumors that women can use cola to clean your vaginal area to kill sperm and reduce the chance of pregnancy."
NO!
Coke is actually a sweet carbonated drink. Although the contact does not hurt with the skin, it does not have the effect of killing sperm. No one enjoy a bath with sweet cola, let alone washing the most delicate parts of the body,l. The sugar is likely to remain in the vagina, and the humid environment will allow bacteria easy to breed easily, which may actually lead to vaginal inflammation!
2/ Is it safer to wear two condoms?
"Wearing a condom is not safe enough? Two condoms have stronger protection!"
NO!
In fact, one is much safer than two! Wearing two condoms is more likely to cause them to fall off and break in the process due to friction, so it is not necessarily good to wear extra condoms!
3/ Urinating after sex can prevent infection?
YES!
This is correct, because of women's natural body structure, urethra, vagina and anus are very close to each other, so it is easier to be infected with urethritis by bacteria, and more likely to bring outer bacteria into the body during sexual intercourse. Urinating after sex can douch the bacteria in the urethra to reduce the chance of urethritis.
4/ Jumping twice after sex to prevent pregnancy?
"Jumping a few times after sex can take out the sperm and you will not get pregnant."
NO!
There is nothing to explain. Choose the correct method of contraception!
5/ Peanut oil as a lubricant?
"There is no lubricant in the house. Peanut oil is also a vegetable oil that can be used instead!"
NO!
The edible peanut oil is extracted, and the taste is strong. However, since the refining process is based on consumption rather than external use, it is not recommended to be used as a lubricant. It is safer to use lubricant by medical certification. If you are allergic to chemical lubricants, it is recommended to use natural extraction base oil without additive, such as sweet almond oil or grapeseed oil. It is better to have certification. Also pay attention to oily lubricants and condoms can not be used at the same time.
6/ Men only have 2 liters semen in their lifetime?
"Some people say that a man has only 2 liters worth of semen in his life, and there is no more extra volume!"
NO!
In fact, this is a fallacy. However, having too much sex or excessive masturbation does cause men to have symptoms of kidney yin deficiency, which affects reproductive ability. Over time, there may be cases of nocturnal emission, premature ejaculation, impotence and infertility.
7/ Will not get pregnant if you have sex during menstruation?
"It is the safest period during menstruation. You will not get pregnant without contraception!"
NO!
First of all, having sex during menstruation can have hygiene related issues. At this time, the risk of exposure to infection is higher. In addition, some women have problems with overlapping ovulation, and sperm can survive in women for more than 72 hours, even if they have sex during menstruation, they may still become pregnant.
8/ You can get sexually transmitted diseases without having sex?
"Some people say that even if there is no "real" sexual intercourse, sexually transmitted diseases can be transmitted through hands or towels."
YES!
It is necessary to understand that some viruses have strong viability and long survival time. If they are not properly disinfected, they may remain on the surface of clothes, towels, etc., and may also spread through contact with infected body fluids such as blood, vaginal fluids, or semen so be careful to protect yourself.
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