Pregnancy Test Calculator

Use this pregnancy test calculator to help you decide when to take your FIRST RESPONSE™ Early Result Pregnancy Test. Avoid any disappointment by testing before you have sufficient hormone in your urine. Find out when to take a pregnancy test by completing your information below:

When can i take the test?

First day of last menstrual period

Average cycle length

When did you last ovulate?

I ovulated on

Not sure, calculate luteal phase length

(If you are not sure, use 14.
This is the average.)

S	M	T	W	T	F	S

FIRST RESPONSE™ detects the pregnancy hormone 5 days before the day of your expected period.

Best days to test.

* Always read the leaflet, in laboratory testing, FIRST RESPONSE™ Early Result Pregnancy Test detected hormone levels consistent with pregnancy in 76% of women 6 days before the day of missed period, in 96% of women 5 days before the day of missed period, and in >99% of women 4 or fewer days before the day of missed period.

Please note: These dates are approximate and are best used as a guideline for when to begin testing with the FIRST RESPONSE™ Early Result Pregnancy Test. Additionally, these dates are based on a regular menstrual cycle. If your menstrual cycle is irregular, you may have more difficulty pinpointing the day of testing based on the calendar alone.

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