No. Only legal dependents can be added to your health insurance policy.
Probably not. Check with the Company. Are you domestic partners? Is it a group or individual policy?
the new born child in the family
Why would you be able to use a strangers health insurance? You are not even related. I believe it's even illegal to use someone else's health insurance unless you are added on it.
Yes.
If you have group Health through work, he maybe able to be added for more premium. Nothing is free. If you have individual health insurance and not group through work, your husband must get his own health insurance and who pays for that, is up to the two of you. He will definitely have his own premiums to pay. Michael FindYourPolicy.com
When you want to buy a health insurance for you and your family, it is advisable to do a home work on different aspects of health insurance. You must consider some important points to choose the right health insurance. Like you must analyze a health insurance company that has your family physician at their panel. As its quite easy and helpful for you to find a medical assistance from your family physician. There are some other factors as well. I have added a related link with this answer that will provide you a great help in choosing a right one for you.
Private health insurance can be purchased through individual insurance agents or through websites that provide quotes. Whichever route you go, make sure to read up on insurance and make your own decisions. I've added a link to a helpful site. Good luck.
Since you added this to medical insurance I assume you want to know what is in yours but you have to call the insuirance company to ask that or check your papers.
As long as you are a legal guardian then he should be able to be added.
No they are not. Parents and children must go always go through the appropriate paperwork and procedures for relatives to be added on a health insurance plan, whether publicly funded or not.
If you get discounts for more employees added and if you as employer need to make copays.