No. They don’t always require surgery. If they aren’t large & painful or growing many times, they’ll leave them.

The biggest concern my dr had was that with mine being so big, you have a risk of torsion, where the cyst is so heavy, it actually twists the ovary and cuts off blood supply to it. If it does that, it can kill your ovary, an organ. Bad things follow.

When they’re that big, they do not typically go away without surgery. Sometimes they have you try a birth control to shrink it. It didn’t work for me at all.

Yes, it’s very normal for them to cause pain. I was given morphine in the hospital just for the pain the endometrioma caused me. I didn’t have surgery until a month later.

An endometrioma is a mass or cyst made up of endometriosis. They’re also called chocolate cysts and have old, brown blood in them but also typically have solid qualities, too.

I do not know the answer to that one.

I had two masses/cysts on my ovary and they were large. I had surgery last May to remove them and it took over my entire ovary so I lost the whole thing. :( Recovery was longer and harder than I expected (for me) but you do what you need to.

Having a cyst like this means you likely have the subset of endometriosis called ovarian cyst endometriosis. O

They often do go on their own but they are often replaced by another. They don't seem to do any harm unless they get too big. I had mine removed as I was having a lap anyway in 2011. It immediately came back and has been there ever since. Sometimes painful, sometimes not, but never so painful I need pain relief.

I had a cyst similar to yours which they left because it was 0.5cm too small to operate on and they hoped it would disappear on it's own, that was back in January of this year, I was given zomorph to take to help with the pain it caused.
I have since had a planned hysterectomy and had both my ovaries removed for other reasons, but until then my pain continued.