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Normal Hcg Levels At 4 Weeks

normal hcg levels at 4 weeks

What are normal hCG levels?

According to the American Pregnancy Association, it can be difficult to attach a number to “normal.” When women are not pregnant, however, their hCG levels will be under 5 mIU/mL anything above 25 mIU/mL is considered positive for pregnancy.

hCG numbers can vary pretty widely, otherwise, with some increasing much faster and others tapering off more quickly. However, here are some general hCG readings based on gestation, with how many weeks have passed since your last missed period (LMP).

Can your hCG levels fluctuate in early pregnancy?

Yes, absolutely. While hCG levels can be an indicator of a healthy pregnancy, low levels do not necessarily indicate an unhealthy pregnancy, and should be rechecked every 48-72 hours. An ultrasound is going to be your best test for determining the development of baby after 5-6 weeks gestation.

However, low hCG levels could mean a couple of things: a miscalculated pregnancy date, an ectopic pregnancy, or a miscarriage. High levels, on the other hand, also can indicate a miscalculated pregnancy date, multiples, or a molar pregnancy. Molar pregnancies are the result of a genetic error during fertilization, are rare, and will rarely develop into an embryo. Abnormal hCG levels also have been associated with preeclampsia, a dangerous pregnancy condition, and pre-term delivery.

normal hcg levels

Human chorionic gonadotropin, or hCG, is a hormone produced during pregnancy in the cells of the placenta. Especially in early pregnancy, the amount of hCG present in the mother's body rises rapidly. In fact, it is the hormone detected in the urine by at-home pregnancy tests.

It is also found in the blood as early as 11 days after conception, and when a physician wants to confirm a woman's pregnancy, he or she will often order one or more quantitative hCG blood tests. The test identifies the amount of hCG in the mother's blood, expressed as an amount by milli-international units of hCG hormone per milliliter of blood (mIU/ml).

What is hCG and what does it do?

First off, it’s important to understand how pregnancy tests work and what they measure. When you take a pregnancy test, either by blood or urine, it either measures how much hCG is present or whether hCG is present at all. False positives are pretty rare, so elevated hCG levels are a good bet for pregnancy, with some exception.

As soon as 10 days after conception, a woman will start to produce hCG via the placenta. hCG helps with the secretion of progesterone during the first trimester, which strengthens the uterus with a lining of blood vessels and capillaries able to support a fetus.

hCG levels chart during pregnancy

Generally a woman’s hCG levels double every 72 hours. hCG levels reach their peak in the first 8-11 weeks or pregnancy and then they will tend to level off for the next two trimesters. This is why in the first trimester (3 months) of pregnancy symptoms can be so much stronger and intense.

hCG levels can vary between individual women and whether they are carrying more than one embryo. How she as an individual responds to pregnancy and how her body reacts is entirely unique.


A miscarriage is a pregnancy loss that occurs before 20 weeks of gestation. Sometimes low hCG levels can indicate that you have had or will have a miscarriage. If the pregnancy fails to develop a placenta, then the levels may be normal initially but fail to rise. Common signs that you are experiencing a miscarriage are:

  • vaginal bleeding
  • abdominal cramps
  • passing tissue or clots
  • cessation of pregnancy symptoms
  • discharge of white/pink mucus

What Does an Ectopic Pregnancy Feel Like?

According to New Kids-Center, here are some symptoms that you may feel if you are experiencing an ectopic pregnancy.

  • A mild to severe pain on the side of your pelvis. This pain may appear suddenly or gradually.
  • Vaginal bleeding that may seem different in color to menstrual bleeding. It may be more watery as well.
  • Painful bowel movements or even diarrhea.
  • Pain in your shoulder that increases when you lay down. This could possibly be internal bleeding that is irritating your organs.
  • Fainting. This is related to internal bleeding.
  • Heavy sweating.
  • Shortness of breath and/or rapid heartbeat.

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