Drinking water—or any fluids—can, in fact, affect the results of an at-home urine pregnancy test, especially when taken very early in the pregnancy. When your urine becomes diluted by drinking lots of fluids, the urine concentration of hCG becomes lower.
Can dehydration affect hCG levels?
Complications & Side Effects of Dehydration during Pregnancy
Although not common, dehydration can cause spotting in pregnancy. It’s believed some women experience spotting when dehydrated, as their hCG levels temporarily stop increasing, or dip. Once re-hydration is reached, hCG levels level out and spotting may stop.
Do pregnancy tests work if you’re dehydrated?
Don’t drink too much water, or any liquid, before taking a pregnancy test. Excess fluids can impact the accuracy of the test results, so if your urine is diluted or pale yellow, hold off on taking a test.
Can anything interfere with a pregnancy test?
Home pregnancy tests work by detecting the presence of human chorionic gonadotropin (hCG) in a urine sample. There are a few things that can cause a false negative reading, namely the improper use of the test, testing too early, using an expired test, or diluting the urine by drinking too much water in advance.
What can cause a false negative pregnancy test?
What causes a false-negative pregnancy test?
- Incorrect use of the pregnancy test. If you don’t follow the directions on the package, the pregnancy test will not be set up properly to test your urine. …
- Used the pregnancy test too early. …
- Miscalculated menstrual cycle. …
- Diluted hCG levels. …
- Too much hCG in the urine.
What happens if you dip a pregnancy test in water?
Well, remember that water is still made up of chemical elements — hydrogen and oxygen — that can react with the test strip. Presumably, water will give a negative result (we hope!), but you still can’t then add your urine to the strip as well.
Is dehydration A early pregnancy symptom?
Some women may feel dizzy or lightheaded during the early months of pregnancy. Wooziness can be related to low blood sugar or dehydration, Moss said.
Can you be 5 weeks pregnant and test negative?
Is it possible to be pregnant and get a negative pregnancy test result? Yes, it is possible. Getting a negative result doesn’t mean you’re not pregnant, it may just mean your hCG levels are not high enough for the test to detect the hormone in your urine.
What can affect hCG levels?
Causes of low hCG levels
- Gestational age miscalculated. Typically, the gestational age of your baby is calculated by the date of your last menstruation. …
- Miscarriage. A miscarriage is a pregnancy loss that occurs before 20 weeks of gestation. …
- Blighted ovum. …
- Ectopic pregnancy.
Is it better to pee on a pregnancy test or in a cup?
Pee on a Stick or Into the Cup
If you’re peeing into a cup, grab your cup and go. If you’re peeing on a stick, remember to take the cap off the test, if it has one. (This is a very common step people skip when they are nervous.)
Is a faint line on a pregnancy test positive?
Any positive line, no matter how faint, means your result is pregnant. Levels of hCG in your body will increase over the course of your pregnancy. If you test early, your hCG levels may be still be low and you’ll see a faint positive line.
How long should you hold your pee before you take a pregnancy test?
If you do it at another time of day, try and make sure your urine has been in your bladder for at least four hours. Not drinking excessive amounts of fluids before you take a pregnancy test. Many people think this will increase the volume of urine, but it can also dilute (thin out) your hCG levels.
Can I be 6 weeks pregnant and still test negative?
There are frequent cases where a woman has been six weeks pregnant with a negative pregnancy test and had a healthy baby about 34 weeks later. If you’re sure of your dates but still testing negative at home, it might be worth visiting your gynecologist for a blood test or an early ultrasound.