The main benefit is — you guessed it — they're cheaper! But they work just as well. The results of less expensive pregnancy tests will still be up to 99 percent accurate when you use them according to the manufacturer's instructions. As for the downsides?

Does brand matter for pregnancy tests?

Our experts answer your pregnancy questions

The home tests work the same. They detect a level of the pregnancy hormone called HCG – human chorionic gonadotropin – in your urine. Most that are on the market are going to pick up the same amount of hormone at the same point in time.

Can a cheap pregnancy test be wrong?

Because of this, even cheap tests are extremely accurate when used properly, and false positives are almost unheard of. “If your dollar store pregnancy test gives you a positive result, you're pregnant,” says Taylor.