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taking certain drugs before using these tests. Finally, OPKs are not

likely to be accurate for women who are nearing menopause or have

polycystic ovarian syndrome.

How much do ovulation predictor kits cost?

Urine-based OPKs cost between 600 Baht and 1700 Baht and contain

between five and 20 test sticks. Most brands offer the same level of

reliability, so pick the one that offers you the most test sticks for the

least amount of money.

Once you detect your surge, you can stop testing for that cycle and save

any unused test sticks for the following month (unless you conceive, of

course). Salivary ferning OPKs can be a better value. After the initial

outlay of about 1000 Baht for the microscope, you should be able to test

again and again. If it takes you a long time to conceive, you may have to

replace the kit with a new one after about two years, depending on the

brand.

3) Chart your ovulation symptoms

You can also track subtle changes in your basal body temperature

(BBT) and cervical mucus for a few cycles to try to determine when

you ovulate. If you pay attention to these clues and note them on a

chart or app, you may see a pattern that can help you predict when