Cum outside virgin girl vagina. Worry?

Dear sir plz solve my  issue. 1) I have cum on my gf outside vagina on her 7 day of periods we never had a sex 2)she is virgin &still virgin i just cum on her outside vagina will she be pragnant? 3) afterwards she change her underwear & pent bcz they got wet & wipe semen from her outside vagina with cloth will she be pragnant? 4)her date of start of periods is 7 feb &date of cum on her vagina is 13 feb the cum was laying on her upper part of vagina &some her urinal area was wet she wipe it Her last period start date was 7 feb &her avg period days are 28 & and date of cum outside her vagina is 13 feb her january period date was 6 jan 2024 & dec 23 period start date was 6 . And from 16 feb 2024 she become ill she got a tonsil in her neck she took medicine & antibiotic ...please read fully & solve my anxiety ...did we need to worry? Please give brief answer read my problem carefully & answer on your experiance & knowledge ...please