
LH Surge: What It Is, What It Means for Ovulation, and How to Track It Accurately
LH surge explained by an OB/GYN — what the luteinising hormone surge is, how OPKs detect it, when the peak day actually is, how long the fertile window lasts, and why some women never get a clear result.
LH SurgeOvulation Predictor KitOPK