Tests & investigations
A positive result suggests ovulation is likely within 24 to 36 hours, marking the best two days for intercourse or for timing IUI. Results can be misleading in polycystic ovary syndrome, where LH may be persistently raised.
Also known as: OPK, LH strips, ovulation test
Related Canada guides
Sources
- Society of Obstetricians and Gynaecologists of Canada (SOGC) patient information
Last reviewed: September 9, 2026. Written by the Antega Editorial Team. General information only — always follow the advice of your own clinic, doctor or pharmacist.