What Is The Treatment For Asthma And Delay In The Periods?

hi,my girlfriend is 18 years old,she has minor asthama n doctor had given tablet,by taking tis tablet she delayed her periods last month bt a week ago we had sex,n she is missing her periods,bt tis month she had nt got her periods r delayed n nt yet had periods...v had unprotected sex a week...is tis delay bcoz of tablet or sex??????is there possibilities of pregnant????n i did nt ejacuted in here vagina.... she had taken many tablets therefore she thinks tiz becoz of tablet????wat is main reason 4 delay????plzzz help m woorried
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