I had the coil fitted during my lap and found it really helped deal with the pain, bleeding and other endo symptoms. It was great to not have to remember having to take a pill everyday (I can be forgetful) and I didn't notice any negatives after having it fitted. (I did experience a few stomach cramps but this could have either been the coil or my recovery for the lap). I've also noticed that my skin is clearer and my moods are a lot better.
My endo symptoms did return after 6 months, but I was aware that this could happen and the coil may not stop endo coming back 100%. I found that since having the coil the doctors could give me a wider range of medication which worked a lot better than before having the coil fitted. They also gave me Cerazette to work alongside the coil which has reduced the pain but it does take a few months to start working.
I was unsure whether to have the coil fitted just like you, especially after reading so many negative things about it. I'm glad I did as I could try it and see if it worked instead of not knowing. I also preferred having the coil fitted during the lap as I don't think I could have gone through with having it fitted whilst awake due to the pain I have during examinations etc.
I don't have a baby so I'm not too sure about that part of your question. Do you have any friends or family that could come over to help you around the house and with your baby for the first week? I know you're worried about your stitches but you also need to think about allowing your stomach/insides time to recover too.
Good luck for Monday x