Ovulation test strips are fine with morning urine.
Ovulation test paper is an experimental method to detect whether ovulation occurs by testing the level of luteinizing hormone (LH) changes in a woman’s body. Before ovulation, LH peaks in a woman’s body, and estrogen levels drop after ovulation. Using ovulation test strips before and after ovulation, the test strip will change from light to dark and back again, thus determining whether the ovaries are ovulating.
Morning urine is more accurate and obvious because urine is retained in the bladder for a longer period of time and the concentration of LH in it will be relatively high. Therefore, it is possible to use morning urine for ovulation test.
Since the hormone levels in a woman’s body are affected by many factors, using test strips to test for ovulation is only a preliminary test. If you want to know more accurately the ovulation of the ovaries, you can monitor it through gynecological ultrasound under the guidance of a clinician. For more information, please consult your doctor.