Ladies

So I had my son with a heart. Beat was a virgin. Had sex and bam planned him anyway 3 years later tying again with the same partner and now he's 5 almost 6 still trying my cycle are irregular like come monthly but different date I did gain weight I did have many problems before with his dad and now we are good and back together anyway he drinks a lot of coffee smokes a lot of cigarettes and use to smoke weed but I read online after while that can lower ur sperm and stress to I convinced him to go do some blood work and sperm test and now waiting for the results my question is Do u guys think it might be him ?'y doc says I am fine I am over weight 266 pounds please comment or anything I been crying because my son wants another baby to play with ! I DID one round of clomid with metformin this month and af is late 2 days and 3 days ago took 99 cent test and negative 👎