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What does swim bladder contraception mean?
As early as 3000 years ago, the clever ancient Egyptians had learned a special contraceptive method: plant contraception. They will first prepare some acidic plants, such as lemons and oranges, and then stuff them into a spongy marine animal. Then, before rolling the sheets, ancient Egyptian women would put this thing in their bodies to achieve the purpose of contraception.

In addition, another contraceptive method of ancient Egyptians is a bit heavy compared with the above, that is "fecal contraception". The specific operation is: first, mix crocodile feces with some paste, then make it into strips and stuff it into women's bodies. However, because crocodile excrement is often rough, most ancient Egyptian women prefer to use elephant excrement as a substitute. It can be said that before the13rd century, using animal excrement for contraception was one of the commonly used contraceptive methods in Middle Eastern countries.

On the other hand, in ancient Rome, which is separated by a Mediterranean Sea, their contraceptive methods are different, among which the most traditional and commonly used method is the "interruption method of rolling sheets". To put it simply, the ancient Romans discovered what would make a woman pregnant a long time ago, so they advocated "holding back". However, this contraceptive method of interruption, after all, is a very test of personal willpower. If you are not careful, you will roll over and the failure rate will be extremely high.

So in the 2nd century AD, an ancient Roman doctor named Solanus invented another reliable contraceptive method. He suggested inserting a wool "embolus" into the cervix, or mixing some paste into the wool to make the wool plug set tighter. This method is close to the modern contraceptive tool-uterine cap.

Of course, considering that not every woman can accept stuffing strange things into her body, Solanus also provides another method-squatting contraception. The specific operation of this method is that after the sheets are rolled up, women immediately squat, bend their knees and sneeze at the same time, so that the tadpoles can flow out of the body smoothly by gravity, and finally they are thoroughly rinsed with clean water, which can greatly reduce the chance of pregnancy. But after all, this method also pays attention to a speed. Once you don't squat in time, the risk of pregnancy will rise greatly, and even if you wash it afterwards, you can't completely guarantee that tadpoles can be completely removed.

In addition, ancient European women tried all kinds of contraceptive remedies, which were strange and eye-opening, such as "putting lettuce leaves on a pillow to pray", "tying a cow egg around the neck as a necklace" and "soaking a sponge in vinegar to scrub the lower body" ... In short, what a wonderful thing.

But if the contraceptive methods in ancient western countries are wonderful, at least they won't kill you, then China will be different. Almost all the contraceptive methods in ancient China were fatal. According to historical records, there were four contraceptive methods in ancient China:

The first method: the method of sticking to the abdomen puts musk on the navel of women to achieve the purpose of contraception. For example, Zhao and Zhao Hede, two sisters in the Han Dynasty, relied on musk for contraception.

The second type: saffron method Saffron can be said to be one of the most common secret recipes of palace contraception in ancient times. Generally speaking, after the emperor finished the maid-in-waiting, he didn't want the other person to be pregnant with the dragon seed, so he asked the eunuch to hang the maid-in-waiting and clean his lower body with the liquid crushed by saffron.

The third method: massage, as the name implies, is to let eunuchs push tadpoles out. It is said that a master with deep internal force can also accurately push the acupoints of ladies-in-waiting, which can prevent pregnancy and abortion and is necessary for home travel.

The fourth type: medicine method In the Tang Dynasty, people at that time were simply crazy about contraception. They will take a decoction called "Wudu Powder", which contains poisons such as mercury and arsenic and can directly poison the fetus. People who have basically used these methods are either infertile for life or poisoned at a young age, so most people will not use them easily.

In this way, people all over the world have been tossing and turning in various wonderful ways for thousands of years in order to study how to family planning.

Until16th century, an Italian anatomist named Feno Biot suddenly realized, "Why didn't anyone study how to prevent male contraception?" As a result, a great cross-century invention-condom, the embryonic version officially appeared in people's field of vision.

In the earliest period, the condom invented by Fanor Biot was made of flax. Condoms of this texture have only one feeling when used, and that is-pain!

/kloc-In the 7th century, there was a king in England named charles ii, also known as the "Happy King". Because he is very romantic at ordinary times, his physician is worried that the king will get sick one day, and there are too many royal children, which makes it particularly troublesome to compete for the throne. One day, the doctor caught a big fish while fishing. After breaking the belly of the fish, he found that the swim bladder was particularly like Tintin, and the texture of the swim bladder was very soft, so the doctor thought, "Can the swim bladder be made into a condom?" But it may be because the size is wrong or it may be difficult to find. The doctor later chose to use the caecum of the lamb to make a condom for the king.

In the end, condoms made of sheep cecum were very popular in charles ii because of their light and comfortable texture. Therefore, the doctor's name is printed on the condom and will be handed down forever. Yes, he is a condom.

It was not until the18th century that the invention of rubber processing technology in the United States made rubber replace cecum as a new condom material, and condoms in the modern sense finally came into being.