Commercially available methods to detect ovulation

Test	Description	Brands	Accuracy*
Urinary LH	Detection of high LH in urine	Many	97%
Urinary LH and estrone-3-glucuronide	Detects rising estrogen and high LH in urine	Clearblue easy fertility monitor and Clearblue digital	95 to 97% for fertile days
Underarm temperature measurement	Constant body temperature measurement	DuoFertility	100% sensitive to detect ovulation
Vaginal temperature measurement	Vaginal temperature measurement	OvuSense	99% for ovulation, 89% for ovulation prediction
Salivary ferning	Microscope to look for salivary ferning	KNOWHEN ovulation monitoring system, Geratherm	42 to 53%

LH: luteinizing hormone.
* Detection of ovulation, a review of currently available methods.

Adapted from: Su HW, Yi YC, Wei TY, et al. Detection of ovulation, a review of currently available methods. Bioeng Transl Med 2017; 2:238.

Graphic 121117 Version 1.0