![]() Don't drink too much water before taking the test. 'A very dilute urine (over-hydrating to 'study' for the test) is another cause,' says Dr. Wait two weeks after your period is missed, and take the test again for an accurate result. In some cases the diagnosis will be confirmed by inserting a laparoscope - a very small viewing instrument - into the abdomen through a small incision below the navel. Missing your period could mean that you ovulated later than usual. If pregnancy is suspected a first morning urine sample taken at least 48 hours from. Positive pregnancy test after IVF can be wrong. A very early pregnancy with low levels of hCG can give a negative result. Pregnancy test positive then turned negative is not however, the case that you need to worry. If an embryo is not located, doctors continue to monitor the pregnancy until a diagnosis can be made. A positive pregnancy test can be wrong because it has only 99 accuracy. If an embryo is located outside the uterus, a treatment plan is made based on the mother's overall health, where the embryo is located, and the mother's hCG levels (a falling level can indicate that the pregnancy is resolving on its own). This is a unique case of an ectopic pregnancy with a negative serum hCG test after resolution of spontaneous abortion. Sometimes a transvaginal ultrasound, in which a thin probe is introduced into the vagina and sound waves are used to create images of internal structures, is performed. If a woman does not meet any of these criteria, then the health care provider cannot be reasonably certain that she is not pregnant, even with a negative. Using Ultrasound for DiagnosisĪnother step in diagnosing a suspected ectopic pregnancy is using ultrasound to locate the implanted embryo. Highlights Ectopic pregnancy can occur in a patient with a negative serum human chorionic gonadotropin (hCG) test. In an ectopic pregnancy, the blood level of hCG is usually lower than in a normally developing pregnancy and also rises at a slower-than-normal rate. A quantitative hCG test measures the level of hCG in the blood. In the course of receiving treatment, she did a first pregnancy test which came out negative. A pregnancy test can detect hCG levels within 10 days of a missed period, and some tests can detect it even earlier, within a week of conception.Ī negative pregnancy test does not absolutely rule out pregnancy or ectopic pregnancy it may simply be too early to detect hCG in the mother's urine or blood.Ī doctor may also order one or more quantitative hCG tests to help diagnose (or rule out) an ectopic pregnancy. Does a negative pregnancy test mean Im not pregnant The short answer is no, a negative pregnancy test does not mean you are not pregnant.
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