Please urinate before and after sex (sex knowledge adult novel)

Newly married Ms. Lin had just returned from her honeymoon in Hawaii. As soon as she put down her luggage, she rushed to the hospital for emergency treatment. She said that when she urinated, it was as painful as a knife cutting, and the urge to urinate was so frequent that she was almost restless on the plane. After urine examination, a large number of red blood cells and white blood cells were found, confirming that it was bladder moxibustion.
Its main symptoms are burning and stinging sensations during urination, lower abdominal pain, frequent urination, and even hematuria within twelve hours of sexual intercourse.
Why does sexual intercourse cause cystitis?
Because the penis moves back and forth in the vagina, on the one hand it pushes and compresses the female urethra, and on the other hand it brings bacteria near the vagina and anus into the urethra and bladder. When the number of bacteria is small, the bladder has its own resistance (so not every sex will cause cystitis), but if you are in the habit of holding your urine, or if you don't drink enough water, your urine will be concentrated, causing the bacteria to stay longer, and when the number increases to a certain level, it will cause inflammation. Some women may notice that when they are tired, their body's resistance is reduced and they are more susceptible to infection.
It is not difficult to diagnose, nor is it difficult to treat. Just give appropriate antibiotics! But be careful of its complications: acute pyelonephritis. For patients who frequently suffer from cystitis, a differential diagnosis should also be made between bladder stones and tumors.
For newlyweds who are about to enter the wedding hall, please pay attention to the following "battle strategies" before enjoying the wedding night to reduce and prevent post-coital cystitis:
1. Before sexual intercourse, wash the vulva with clean water to reduce bacteria in the perineum. (Soap or antiseptic cleaning fluids are not necessary).
2. Do not hold your urine before and after sexual intercourse, and drink enough water to empty your bladder. Urination after intercourse is especially important. It is best to drink a large glass of water after urinating before going to bed.