When To Expect Periods After Laparoscopy For Endometriosis?

hi sir,myself was done laproscopy for endometriosis in the month August 2013 meanwhile she advised me 6 cycles of decpeptyle injection depot 3.75 mg from august 2013 to jan 2014and my doctor has suggested regrestone for 15 days twice daily in the month of september 2013 after which i had my periods for same month and missed my period from october 2013 to February 2014 atleast 5 months when can i expect my periods and when can i conceive (i have completed my 5 years of marriage).