Hi Welcome to HEALTHCARE MAGIC..
I have gone through your query and can understand your concern...
Postinor 2 is an
emergency contraceptive pill. It prevents pregnancy by inhibiting
implantation of fertilized egg on the uterus. Normal dosage is 1 pills as early as possible after having sex. 2nd pill should be taken 12 hours after intake of 1st pill . It is 95% successful if taken within 24 hours of having sex.
If you took 2 pills within 2 hours of intercourse, then re-taking postinor was not necessary again next day. Now your periods have become irregular, It is a common side effect due to high dose of
levonorgestrel in the pill, which disrupts your normal menstrual cycles. Therefore your periods are delayed most probably & they might be delayed or 1-2 cycles. No treatment is necessary your periods will become regular after 2-3 cycles.
Use condom or regular contraceptive pill as method of
contraception in future. Regular taking postinor pills can cause serious problems like
irregular periods, ovarian hyper-stimulation syndrome & even infertility.
Refer to a gynaecologist
Hope this information helps