How much HCG do dollar store pregnancy tests detect?

Sehwani and associates found that dollar pregnancy tests were 100% accurate at 25 mIU/mL of HCG and above, identical to the QuickVue pregnancy test. In fact, two of five that were tested at a lower level of HCG (20 mIU/mL) also were positive.

How sensitive is a dollar store pregnancy test?

“For the average woman, dollar store tests are fine and just as accurate as name-brand tests,” she says. But they do require patience, which she acknowledges can be in short supply when you’re trying to get pregnant. “You need to wait until the date of your expected period,” says Taylor.

What pregnancy tests detect the lowest amount of hCG?

One kit, the First Response Early Result Pregnancy Test, emerged as the most reliable and sensitive test. “It detected hCG at concentrations as low as 6.5 mIU/ml (thousandths of an International Unit per milliliter) – that’s almost sensitive enough to detect any pregnancy soon after implantation,” CR wrote.

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How soon can dollar store pregnancy tests detect pregnancy?

According to pregnancy information site BabyGaga, more expensive branded tests like Clear Blue and First Response are designed to detect pregnancy earlier than dollar store ones — some as early as six days before you miss your period. Meanwhile, dollar store tests tend to detect pregnancy after a missed period.

Are dollar store pregnancy tests less sensitive?

The answer is yes.

The more expensive versions may be easier to use or more sensitive (so you’ll know the answer sooner). But the bargain ones will work and are accurate. if you’re still nervous, you can check the name of your home pregnancy kit on the FDA-approved home and lab tests site.

How long does it take for the hCG to show up in urine?

It appears shortly after the embryo attaches to the wall of the uterus. If you are pregnant, this hormone increases very rapidly. If you have a 28 day menstrual cycle, you can detect hCG in your urine 12-15 days after ovulation.

How much hCG does clearblue detect?

The sensitivity of Clearblue Easy Earliest Results was 25 mIU/mL, which indicated detection of 80% of pregnancies.

When does your body start producing hCG?

One thing that happens very quickly is production of hCG. This chemical is only found in pregnant women and it starts to build up once the fertilized egg implants in the uterus (womb) — about 10 days after conception.

How long does it take for hCG to reach 25 mIU?

Urine hCG concentrations reach 10 to 25 mIU/mL by 7 to10 days after conception. Urine pregnancy tests have a sensitivity of 90% to 97% and a specificity of 99% for pregnancy during the first week after a missed menstrual period.

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Can you get a positive pregnancy test one day and negative the next?

One explanation for a false negative pregnancy test is what’s called the hook effect. It’s not common but sometimes this effect leads to urine and blood tests giving the wrong result. This error might happen even after you’ve had one positive pregnancy test and test again a couple days later.

Should I trust a dollar store pregnancy test?

Are dollar store pregnancy tests accurate? Because the Food and Drug Administration regulates home pregnancy tests , if they’re being sold legally in the United States, they should be the real deal! Dollar pregnancy tests have the same accuracy rate as more expensive tests.

Are cheap pregnancy tests less accurate?

The pregnancy tests you get at the drugstore work 99 out of 100 times. They’re just as accurate as a urine pregnancy test that you’d get at a doctor’s office. Pregnancy tests work by checking your urine (pee) for a hormone called human chorionic gonadotropin (HCG). Your body only makes this hormone if you’re pregnant.

What is the average HCG level at 4 weeks?

Standard hCG levels

Pregnancy week Standard hCG range
3 weeks 5–50 mIU/mL
4 weeks 5–426 mIU/mL
5 weeks 18–7,340 mIU/mL
6 weeks 1,080–56,500 mIU/mL

How many pregnancy tests should I take?

If you get a negative result and want to be extra sure, take a second test. Just be sure to wait a few days—taking a second test in the same sitting won’t give you a different result.