If you mean how can you get pregnant in Second Life, you can simply edit your avatar's shape in world to look pregnant. You can then wait 9 months, and go purchase a prim baby as though you had the baby.
If you mean how can you actually create a baby, you could do this using the in-world build tools, you could do this by using sculpties, or you could do this by using mesh.
Second life is more for teens and adults
Yes it is called second life kid but I think it is boring because it looks like for babies
No you have to be 18+
nope
Yes, there are numerous websites that are somewhat similar to Second Life but are good for Kids and Preteens. Check out the related links below for some examples.
In my opinion yes it is if they are with a parent.
Potentially yes, kids could get into trouble for joining Second Life. The minimum age restriction for full access to the main Second Life grid is 18. This is due to the mature, adult content found in some areas.
Kids aged 13-17 can play Teen Second Life (teen.secondlife.com). Other Recommendations: habbo hotel, meez.com, weeworld.com, and kewlchat.com
By visiting one of the many adoption businesses in Second Life. If you pull up search in Second Life and search for adoption, you will find many places to do this.
No, many Second Life areas have an adult and mature theme. Residents must be 18 years or over.
No, children between the ages of 10 - 12 cannot play Second Life
find someone else that wants kids buy a kit with 'em then make love with them