hi.i m 24 years old.and my periods are irregular i consalt my doctor,i also have a 1 and half years old baby boy.and now i have to try concive again bus i dont concive bcz my periods are iregular.my doctor give me .glucopage500mg.foe 3 months for 3 time.and if my 2nd periods is coming in 11th oct and then the 2nd day of my periods i take lezra 2.5mg.forconcve.my doctor said.me.can u plzz tel me how lezra 2.5mg do the work