Piggytoh,
Mirena is a form IUD as well. Normal IUD do not release hormone, but Mirena release hormone on a hourly to thicken to make it difficult to get pregnant.
Mich,
My gynae say only at the beginning when everything set in it wil not hv, menses voloume flow reduce, strech longer days, as months goes by may not have meneses flow and is normal. I just have insert last week wednesday. so far so good.
Cloudme,
me not christian lah. i hv this thought lah. a lot of pple on the actual day, joss stick smoke may not be good for him lah.