Welcome to the forum. You should have been breast feeding your baby for 8-10 hours. Breast feeding suppresses ovulation reducing the chance of your getting pregnant.
You are in a phase when your body needs utmost care and rest. Body takes quite some time to get back to the pre-pregnant state. If you are pregnant you will be neglecting your baby as well as yourself.
It seems you do not have adequate information of contraception
. breast feeding or healthy reproductive life. Concentrate on getting treated for asthma
and get fit. A healthy body can conceive and give birth to a healthy baby.
Your body is not fit to carry on the pregnancy
. Recover well and take care of your baby. See a local doctor in an emergency room. Take care.