She has a cloth's on sex on 20 of June both of them did not open their  clothes and period date was 5 july but she get period 10 days later on 16 July and period was 3 days long Before that her period length was of 5 days What is the region of late period and and only for 3 days Is it sign of pregnancy Plzz confirm she is very stressed. She is thinking that  late period and short period is sign of pregnancy