Hello dr..How r u ? Hope u r good...Please suggest me about my ovulation period? When will it occur ? My period date is change in every month .In july it was 11 nd in august it was 5. Every month it comes before 5 days. Please tell me which days are safe when do unprotected sex? And i will not get pregnent...Because use of protection suffer allergy nd abdominal pain...I donot know about which days are safe ...When no worry to get pregnent after unprotected sex...please suggest me please see attachment ..That is ovulation calculator...