are hcg levels normal in ectopic pregnancy?
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In a normal pregnancy, the β-HCG level doubles every 48-72 hours until it reaches 10,000-20,000mIU/mL. In ectopic pregnancies, β-HCG levels usually increase less. Mean serum β-HCG levels are lower in ectopic pregnancies than in healthy pregnancies. No single serum β-HCG level is diagnostic of an ectopic pregnancy.
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So, ectopic pregnancy with negative serum HCG level is a rare particular form of chronic ectopic pregnancy. In consequence, acute rupture of ectopic pregnancy with negative serum HCG level is a very uncommon event. Only a few cases are reported on Medline.
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The average levels of hCG in a pregnant woman's blood are: non-pregnant women - less than 10 U/L. borderline pregnancy result - 10 to 25 U/L. positive pregnancy test - more than 25 U/L.
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High or low hCG levels could still indicate a normal pregnancy. Doctors can, however, gain information from looking at trends. A normal pregnancy has hCG levels that double every 48 hours, and hCG levels usually peak around 90-100,000 mIU/mL, says Dr.
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High or low hCG levels could still indicate a normal pregnancy. Doctors can, however, gain information from looking at trends. A normal pregnancy has hCG levels that double every 48 hours, and hCG levels usually peak around 90-100,000 mIU/mL, says Dr. Lang.
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A 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.
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Since ectopic pregnancies still produce the hormone hCG, they'll register as a positive home pregnancy test. Women with ectopic pregnancies will also experience early pregnancy symptoms like sore breasts, nausea, spotting, and more.
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High hCG levels can be found for twins during the early stages for pregnancy. The normal hCG levels for twins is 30% to 50% higher than in single pregnancy- somewhere around 200 to 1750 mIU/ml. The level of hCG may double every 2-3 days in early pregnancy.
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HCG levels rise eight days after ovulation, peak at 60 to 90 days, and then lower slightly, leveling off for the remainder of the pregnancy. Typically, during the first 10 weeks of your pregnancy, HCG levels double every two days.
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However, some women who have an ectopic pregnancy have the usual early signs or symptoms of pregnancy — a missed period, breast tenderness and nausea. If you take a pregnancy test, the result will be positive. Still, an ectopic pregnancy can't continue as normal.
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To find out if you have an ectopic pregnancy, your doctor will likely do: A pelvic exam to check the size of your uterus and feel for growths or tenderness in your belly. A blood test that checks the level of the pregnancy hormone (hCG). This test is repeated 2 days later.
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However, falling hCG levels are not a definitive sign of miscarriage, even with bleeding. Sometimes, hCG levels drop, but then rise again and the pregnancy continues normally. Although this is not common, it can happen.
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If you take a pregnancy test, the result will be positive. Still, an ectopic pregnancy can't continue as normal. As the fertilized egg grows in the improper place, signs and symptoms become more noticeable.
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Serious urinary tract infections (with high levels of WBC, RBC and nitrite) can occasionally cause a false positive pregnancy test result. Ectopic pregnancies typically produce lower levels of hCG than normal preganancies. This will be accentuated by the dilution effect in urine.
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A transvaginal ultrasound showing no gestational sac with an hCG level above 1,500 is considered fairly certain evidence of an ectopic pregnancy. (On abdominal ultrasound, the sac should be visible by the time the hCG has reached 6,500.)
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Approximately 1% of ectopic pregnancies will have a negative urine pregnancy test and a β-hCG level of less than 20 mIU/mL.
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This is because ordinarily, in early pregnancy, the hCG level in your blood doubles every two to three days. If your hCG doubling time is slower than expected, or if it decreases over time, this may be a sign of a miscarriage or an ectopic pregnancy.