My friend had her periods in 21 of June.
On 19 July she had sex with his husband
And the next day i.e. on 20th July her periods started again
That means it was a regular period
It was an unprotected sex
What that does means they had unprotected sex but still she got periods
Is dere any prblm in his husband or in herself
Or it was because it of the mensturation cycle
Please give me a detail on this