Good afternoon, (husband -age 40, wife - 36 age) after my hetroscopy / laproscopy ,,my doctor adviced me for IVF on Febuary 2016 ,,now she/he prescribed to take some of vitamin tablets and to take Tab,Duoluton for 21 days,,, i want what is the purpose of duoluton tablet and the same time we r both husband and wife have a sexual life ,,, that time to chance to get norma conceive?