my frnd had unprotected sex on 9th day of period..is it safe.after dt immt had

[mehek]

i-pill again she got period? my friend had unprotected sex on my 9th day of her period...is it safe....after dt immediately had i-pill coz she was scared..and after 5 days again period started...how can we get so soon period...kindly suggest somehting is she weak or just coz she took that tablet it happen...now next wat should she do in further can she become preganant