Hi Doctor, I am 31 years old, i have a regular 30 day period cycle, I am not sure about my ovulation period, however need to know the same. I am using clearview ovulation kit and it has been showing negative results from 11- 18th day from ist day of period i.e 10th Nov, we are trying to concieve for past 4 months, i had a MC in July (6 weeks , spont. - twin pregnancy) Please advice.