Hi i have irregular periods from last 4months doctor prescribed dhupaston tablet to regularise my periods if I take the medication then only period is getting otherwise it is not getting for 2months and my last LMP was on may 13 but at that time I got chicken pox too and chicken pox has cured within one week then we have intercourse from day 10to day 15 after my period. This month I didn't got my period and UPT is negative but from 3days I m having vomtings and fatigue. please advise me can it leads to any infection or pregnency? nency?