Go and see a doctor.
if you are talking about the process to form a baby inside the womb nothing comes before sperm it is there from the beginning
It means you need to go to the ER
No connection at all. Platelet donation comes from a blood donation which has no link to sperm count.
Blood
If you have reached puberty the sperm is mature. Before puberty you have semen but no sperm. To see if the sperm is no good when it comes to impregnate someone that can only be seen in a microscope.
No. The child is a unique mix of both of its parents.
If you mean there is blood when you ejaculate, or "come", there shouldn't be. Go and see a doctor. It's probably something minor, but you need to get it checked.
It is if you're both into it, are consenting "adults" and share no blood relation.
To test you before the doctor comes
Sperm does not contain red and white blood cells
It's all individual but there's always pre-cum that comes before he pulls out so always use a condom.
First answer: Sperm comes out of it. My answer: ummm not sperm