I heard that an ovulation test can be used as a pregnancy test?

Yup you can, LH looks a whole lot like hCG molecularally, just missing a moiety off one chain, so the test for LH is not specific to LH when there is hCG present in the urine. You can not use a test for hCG (pregnancy) as an ovulation test however, the hCG tests specifically need that moiety to have binding to the test strip (to the antibodies on the strip).

As for using the OPK tests, since LH surge predicts ovulation (within 72 hours) one needs to test looking for a peak of LH to predict ovulation - thus the test should be darker the control, otherwise it's before or after the LH surge. It could be if you tested today you are past the LH surge but easily right on time for ovulation!

I'm currently pregnant and I STILL have positive OPKs, lol. BUT the line is SUPER SUPER dark, dark red, to almost brown. I was also a week late for my period too though. So yes, they CAN be used. I thought I was ovulating, and took an OPK a few weeks ago.. it was positive, and I felt ''different'' so I took a HPT.. low and behold it was positive too. I wouldn't rely on them, but yes, they do show positive when you are pregnant, I'm proof :) BTW- When I had positive tests during ovulation, they were light red/pink... they matched the control line equally.

When the strips test line is EQUAL to or DARKER than the control line.. that is your positive. It isn't positive yet if it's just light pink, so it'll probably be an 'actual' positive in a few days, if that is when you are actually due to ovulate. They will gradually get darker as you get closer to ovulation, and you'll find that after you ovulate, the lines will get lighter again. So sounds like your O day is coming up. Start BDing!

I hope this helps, best of luck to you hun and babydust!

Overall-- yes, it can be done. Ovulation predictor tests (known as OPK's because they are normally sold in a set of tests known as a "kit," thus the K) will show a positive result when a woman is pregnant, as well as when she's ovulating.

Specifically-- while it works most of the time, there are good reasons to avoid using an OPK as an HPT for diagnostic purposes. If you want to pee on any stick that will stand still after you know you're pregnant, just for fun, have at it. But I would not recommend using an OPK in place of an HPT overall.

Reasoning-- OPK's detect LH (luteinizing hormone) which is the hormone associated with ovulation. Pregnancy tests detect hCG, the hormone associated with pregnancy. LH and hCG are, at a molecular level, nearly identical. hCG has a beta subunit, meaning it has an extra little "doodad."

i don't think of she's desirous to apply it to attempt for ovulation. i think of she desires to apply it to attempt for being pregnant. if so, the respond isn't any. Ovulation exams are used to attempt for ovulation which happens around day 14 of a 28-29 day cycle on overall. The ovulation strips are used to foretell once you have a surge of LH which happens once you're ovulating (dropping and egg to be fertilized). being pregnant exams are to attempt for being pregnant and verify for yet another style of hormone HGH. All ovulation exams have 2 lines in contrast to a being pregnant attempt which could have a million line which ability not pregnant and 2 lines which ability pregnant. the two lines in an ovulation attempt characterize the surge of LH or not. 2 dark lines ability you're possibly to ovulate interior of 24-36 hours, a line darker than the administration line ability the comparable component. If the attempt line is lighter than the administration line it ability you at the instant are not likely to ovulate. The insert will instruct you applicable circumstances for each guy or woman attempt. you additionally should, assuming you're sorting out for ovulation, song your cycle for various days to verify you get precise readings. you will desire to not use it for delivery administration methods the two because it ought to not continuously be precise and sperm can stay interior the physique for as much as 4-5 days.

it could hun but i wouldnt trust it as much as a htp you should try maybe mom ovulation mini microscope its great its completely reusable for life save you alot of money you can get it at target read the reviews on the target website or google it maybemom goodluck x

Not.that.I.have.ever.heard.of

Ovulation.tests.measure.the

Lutinizing.Hormones.When

the.egg.pops.out.

Pregnancy.tests.mesure

HCG.which.is.what.is.produced

when.the.baby.implants.

their selves.in.the.lining

of.your.uterus..

So.I.do.not.think.so.

You.should.check.out

Fertility.Friend.com...You

can.comepare.charts.

ask.questions.

Good.luck