if your underware was off then possibly, it could just be stress .[just to be certain that your not, take a test]
only afterwards
Same way you did before. About 1/4 women have a miscarriage and there are usually no problems getting pregnant afterwards.
You could be pregnant - take a test
just act like yourself and then he'll notice
YEs
YesTobacco use of any sort does not in any way affect your changes of getting pregnant
yes you can
By not having sex.
There are no risks afterwards assuming a skilled doctor did it. It's like when you get your period and the lining of the uterus sheds and then heals.
It's probably just that your body is getting back to normal after being pregnant, however after a pregnancy (even if the pregnancy didn't last) the chances of getting pregnant quickly afterwards are high, so if you have had sex since the miscarriage it is possible that you could be pregnant
Basically you need to get over it and make him jealous by getting yourself another boyfriend, who is more reliable and who you can trust.
if he had nothing on and so did she there is a possability of getting pregnant,you do not have to have sex to get pregnant if his sperm gets in her she could get prgnant