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Things you need to know

Things you need to know

What is hCG?

What is hCG?

HCG stands for Human chorionic gonadotropin. It is a hormone produced by the structure inside your uterus (the placenta) that connects to your baby and provides delivery of oxygen and nutrition. 

Normal hcg levels

Normal hcg levels

The placenta begins to produce hcg hormone soon after conception. However, it takes nearly 2 weeks for your HCG levels to become high enough to be detected in pregnancy. 


Normal hcg levels change as per the week of pregnancy. The average hcg levels are: 


3 weeks: 6 – 70 IU/L

4 weeks: 10 – 750 IU/L

5 weeks: 200 – 7,100 IU/L

6 weeks: 160 – 32,000 IU/L

7 weeks: 3,700 – 160,000 IU/L

8 weeks: 32,000 – 150,000 IU/L

9 weeks: 64,000 – 150,000 IU/L

10 weeks: 47,000 – 190,000 IU/L

12 weeks: 28,000 – 210,000 IU/L

14 weeks: 14,000 – 63,000 IU/L

15 weeks: 12,000 – 71,000 IU/L

16 weeks: 9,000 – 56,000 IU/L

16 – 29 weeks (second trimester): 1,400 – 53,000 IUL

29 – 41 weeks (third trimester): 940 – 60,000 IU/L

Importance of HCG levels

Importance of HCG levels

Hcg levels in pregnancy can provide valuable information to your obstetrician about your and your baby’s health. 


If the HCG levels are higher, it implies that you may have multiple pregnancies or abnormal growth in your uterus.


Low levels of HCG imply an increased risk of loss of pregnancy.


Ectopic pregnancy and HCG levels


Hcg levels can also offer valuable information about the risk of an ectopic pregnancy. If you have an ectopic pregnancy, your HCG levels rise more slowly than the expected rate.


An HCG level higher than 25mlU/mL is considered positive pregnancy. 

In the early days of pregnancy, your hCG levels will almost increase by double every 2-3 days. 

Yes, stress can affect the production and release of HCG hormones further affecting HCG levels. 

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