Not always, but that IS how it happens.
The semen can leak out when you try to get it out so yes you can.
If there is sperm or semen left in the penis or the vagina after sex it can wash out later with your urine. This is no problem at all and perfectly natural.
When semen is discharged into the vagina, some goes into the uterus through the cervix. The semen contains sperm and nutrients to help the sperm survive while waiting for the woman to ovulate. Healthy sperm can remain "viable" for up to 5 days after intercourse. The vaginal discharge is a combination of semen, vaginal mucus and the lubricating fluid women secrete during sex. It's not the fluid that comes out that causes pregnancy, it's the sperm that is left behind (out of reach and out of sight). So yes, if you are not using birth control you can get pregnant.
Think of it this way. If a male has recently ejaculated, the semen comes out. But not all of it. If he were to have sex with a female sometime later, the "pre-cum" would contain the semen that was left behind from the previous ejaculation. The chances of getting pregnant from this is not as high as the whole ejaculation. But why take the risk?
yes, a man produces what is called pre-ejaculate constantly during sex. This has a small amount of sperm in it and can get a woman pregnant. the only way to avoid an unwanted pregnancy is to practice safe sex with approved contraception devices and prescriptions. This can also reduce the risk of HIV and other sexually transmitted diseases.
same as the left, making sperm and semen
My left nut
The position does not matter in early months of pregnancy. It is preferred to sleep either on left or right lateral position. But once you go to sleep, you have no control over the position. Sleeping on your back may compress the abdominal vena cavae. From ages that has not created much problem.
If all of it came out, then there's none left to fertilize the egg.
1/4 get pregnant using the pull out method because there is always pre-ejaculate. So yes, you can be. Washing the penis still means there can be semen left in the urethra or new is coming as pre-ejaculate. This is not a safe method.
The walls of the left ventricles are very much thicker as compared to the walls of the right ventricle. The left ventricles has to push the blood to whole body. The right ventricle has to push the blood to the lungs only.
no