Generally speaking, if the ovulation test paper detects a strong positive, then it means that ovulation may occur within the next 24~48 hours.
If ovulation means the appearance of two purple-red very deep line, then this time on behalf of the ovulation test paper strong positive, this time the luteinizing hormone content has reached its peak, after ovulation luteinizing hormone gradually will be low, will change from strong positive to positive, and even negative, so ovulation test paper strong positive mostly in the next 24 ~ 48 hours will appear ovulation.
If there is only one purplish red line, then it means that there is no ovulation in this time period.
And if there are two purple-red lines, but one dark and one light, it means that the luteinizing hormone is not yet at its highest level.
It is recommended that pregnant women can have intercourse when the ovulation test paper detects a strong positive, which can increase the possibility of women getting pregnant.