To be pregnant, 2 criteria should be fulfilled:
1. Fusion of sperm with ovum to form a fertilized ovum.
of the fertilized ovum in the Uterus
And as you said that there was no insertion of penis & no sperm leak, the chance of pregnancy
is very less.
There is no need to worry, you can wait till your partner gets her periods.
If they are delayed, a Pregnancy test can be done to confirm it.
In case of pregnancy, it will give a positive result within one week.
Wishing a good health.