Blood pregnancy tests can be wrong if they are taken too early. According to WebMD, blood pregnancy tests effectively detect pregnancy six to eight days after ovulation. Therefore, taking a blood pregnancy test earlier than this might yield false negative results.Know More
Blood pregnancy tests are more accurate than urine pregnancy tests. There are two types of blood pregnancy tests: the qualitative hCG test and the quantitative hCG test. The qualitative test checks for the presence of hCG in the blood, while the quantitative test determines the precise amount of hCG, according to WomensHealth.gov.
According to Better Health Channel, these blood tests are 99 percent accurate. Urine home pregnancy tests have a lower accuracy rate of 97 percent, as specified by WebMD. To achieve the most accurate result, WebMD recommends waiting at least a week after a missed period before taking any pregnancy test.Learn More
At the 13th week of pregnancy, the uterus fills the pelvis and starts to grow upward into the abdomen. WedMD explains that the uterus feels like a soft, smooth ball at this stage.Full Answer >
A plus sign (+) on an at-home pregnancy test indicates a pregnant result, whereas a minus sign (-) indicates a not pregnant result. These results appear in a clear window on the testing stick. The instructions, included with the test, should clearly explain how to read the test results.Full Answer >
Pregnant women can safely highlight their hair during the second and third trimesters, as the solution does not actually touch the scalp, according to Parents Magazine. However, it is important to limit exposure to dyes and highlighters due to the high chemical contents in the products.Full Answer >
Having unprotected sex at any time immediately prior to your period can result in conception and pregnancy. Your period is the point in your cycle when the uterine lining is flushed away at the completion of a fertility cycle that doesn't result in pregnancy. This cycle is the reason why, according to About.com, you are at your peak fertility during the ovulation phase immediately prior to your period.Full Answer >