I Have Conceived Before 6months Back, But After 1month 10days,

i have conceived before 6months back, but after 1month 10days, periods happen so egg passed through urine, thick hard discharge,i visited doctor she told u are healthy no issues, and she gave calcium tablets and tols to try for baby after one month. so after that i am trying to concieve, but each and every after 1 month 10days exactly my periods will again start.

so assist me how and when to have sex so that i can conceive faster?

or assist so i have any problem ?

i am really scared, why i am not getting positive results. i am worried please reply back soon