hi, my wife s periods got delayed for about 45 days this time, usually, her p eriods are irregular, gets delayed for about 10-20 days. This time she is experiencing severe pain in her back, legs, fatigue, etc. from past two days, she is experiencing only a tinge of blood. she weighs around 58 kgs, height 5.4, we have a 4-year-old kid....she is not on any contraceptives now, had her copper T removed 2 years ago beacuse of irregular menstrual cycles before......is this a serious thing or this related to sress or something..........