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What is a Beta-HCG Test?
The Beta-HCG (Human Chorionic Gonadotropin) test is a highly sensitive blood test used to detect and monitor pregnancy. HCG is produced by the placenta shortly after a fertilised egg attaches to the uterine lining. Unlike a urine pregnancy test which gives only a positive or negative result, the blood Beta-HCG test provides a quantitative measurement — the exact amount of HCG in your blood in mIU/mL. This allows doctors to confirm pregnancy earlier, track its progress, detect complications like ectopic pregnancy or threatened miscarriage, and in non-pregnant patients use HCG as a tumour marker for certain cancers.
✓ No fasting required — The Beta-HCG test can be done at any time of day. Blood HCG is detectable as early as 6–8 days after ovulation — earlier than any urine pregnancy test. Same-day results are available.
Clinical Uses of Beta-HCG Testing
The Beta-HCG test is used for several critical clinical purposes beyond simply confirming pregnancy:
- Early Pregnancy Confirmation — detects pregnancy as early as 6–10 days after conception, before a missed period
- Monitoring HCG Doubling Time — in healthy early pregnancy HCG typically doubles every 48–72 hours. Serial HCG measurements 48 hours apart confirm normal progression.
- Detecting Ectopic Pregnancy — HCG that rises slowly or plateaus alongside pelvic pain suggests pregnancy outside the uterus (ectopic) — a surgical emergency
- Threatened Miscarriage — falling or abnormally low HCG levels in early pregnancy indicate risk of miscarriage
- Molar Pregnancy (Gestational Trophoblastic Disease) — very high HCG (often above 100,000 mIU/mL) with abnormal uterine growth suggests a molar pregnancy
- Tumour Marker — elevated HCG in non-pregnant individuals is a marker for testicular germ cell tumours, ovarian germ cell tumours and choriocarcinoma
- Down Syndrome Screening — HCG is one component of the Double Marker (First Trimester) and Triple Marker (Second Trimester) prenatal screening panels
Beta-HCG Levels by Week of Pregnancy
| Gestational Week | Expected Beta-HCG Range |
|---|---|
| 3 weeks (1 week post-conception) | 5 – 50 mIU/mL |
| 4 weeks | 10 – 426 mIU/mL |
| 5 weeks | 217 – 7,138 mIU/mL |
| 6 weeks | 152 – 32,177 mIU/mL |
| 7 weeks | 4,059 – 153,767 mIU/mL |
| 8–12 weeks (peak) | Up to 290,000 mIU/mL |
| 13–16 weeks (decline) | 13,300 – 254,000 mIU/mL |
| 17–24 weeks | 4,060 – 165,400 mIU/mL |
| 25–40 weeks | 3,640 – 117,000 mIU/mL |
| Non-pregnant women / Men | Below 5 mIU/mL |
HCG rises steeply in the first trimester, peaks at 8–12 weeks and then falls to a lower plateau for the remainder of pregnancy. Wide normal ranges exist — a single value is less meaningful than the trend over serial measurements.
Quantitative vs Qualitative HCG — What is the Difference?
Two types of HCG testing are available:
- Qualitative Beta-HCG — gives a simple positive or negative result. Confirms whether HCG is above a minimum detectable threshold (typically 5–25 mIU/mL). This is what most urine pregnancy tests and some basic blood tests measure.
- Quantitative Beta-HCG — measures the exact numerical HCG level in mIU/mL. Used for serial monitoring of pregnancy progression, detecting ectopic pregnancy and molar pregnancy, and as a tumour marker. This is what Apollo Diagnostics provides.
- Serial (Repeat) HCG — two quantitative measurements taken exactly 48 hours apart. Used to calculate the doubling time and confirm whether pregnancy is progressing normally. Schedule your 48-hour repeat test at the same time of day as the first collection.
When is a Beta-HCG Test Recommended?
Your doctor may recommend a Beta-HCG test if you:
- Have a missed period and want early pregnancy confirmation
- Have a positive urine pregnancy test needing quantitative confirmation
- Have lower abdominal pain or vaginal bleeding in early pregnancy (suspected ectopic or threatened miscarriage)
- Are undergoing IVF or IUI — serial HCG monitoring after embryo transfer
- Are being investigated for gestational trophoblastic disease (molar pregnancy)
- Are a man or non-pregnant woman with an elevated HCG (possible germ cell tumour)
- Are undergoing Down Syndrome screening (Double Marker or Triple Marker)
- Need pregnancy confirmation for a medical procedure or medication contraindication
Beta-HCG Test Price in Kolkata
Beta-HCG (Quantitative) Test Price: ₹1,000
No fasting required | Serial 48-hr repeat available | Free home collection above ₹2,000
No fasting required | Serial 48-hr repeat available | Free home collection above ₹2,000
Tests Commonly Ordered Alongside Beta-HCG
- Progesterone — ordered alongside HCG in early pregnancy monitoring. Low progesterone (below 10 ng/mL) with low HCG suggests threatened miscarriage or ectopic pregnancy
- TVS (Transvaginal Ultrasound) — gestational sac should be visible by TVS when HCG is above 1,500–2,000 mIU/mL; absence suggests ectopic pregnancy
- Double Marker (Free beta-HCG + PAPP-A) — first trimester Down Syndrome screening (11–13 weeks) alongside NT ultrasound
- Triple Marker (AFP + HCG + Estriol) — second trimester chromosomal abnormality screening (15–20 weeks)
- Blood Group & Rh Typing — mandatory antenatal test alongside HCG confirmation of pregnancy
- Thyroid Profile (TSH) — HCG stimulates the thyroid; TSH is routinely checked in early pregnancy alongside HCG
Home Collection for Beta-HCG Test in Kolkata
Apollo Diagnostics provides home blood sample collection for Beta-HCG tests across Nagerbazar, Dum Dum, South Dum Dum and surrounding North and Central Kolkata areas. No fasting is required. If your doctor has requested serial HCG monitoring, schedule your repeat collection exactly 48 hours after the first sample at the same time of day for the most accurate doubling time calculation.
- Home collection available: 7:00 AM – 2:30 PM Daily
- No fasting required — book any time
- Serial 48-hour repeat testing available
- Free home collection on orders above ₹2,000
- Same-day digital reports delivered to WhatsApp
Quick Links
→ Apollo Diagnostics Nagerbazar → Full List of Individual Tests → Book Home Collection → Full Body Checkup Packages
→ Apollo Diagnostics Nagerbazar → Full List of Individual Tests → Book Home Collection → Full Body Checkup Packages
Frequently Asked Questions
Q1. What is the Beta-HCG test used for?
The Beta-HCG test measures the pregnancy hormone HCG in blood. It confirms pregnancy earlier than urine tests, monitors early pregnancy progression through serial doubling time measurements, detects ectopic pregnancy and threatened miscarriage, screens for molar pregnancy and is used as a tumour marker for germ cell tumours in non-pregnant patients.
Q2. How early can Beta-HCG detect pregnancy?
Blood Beta-HCG can detect pregnancy as early as 6–8 days after ovulation — approximately 3–4 days before a missed period and earlier than most home urine pregnancy tests. HCG above 5 mIU/mL is considered positive for pregnancy. A level above 25 mIU/mL confirms pregnancy with high certainty.
Q3. Does the Beta-HCG test require fasting?
No. The Beta-HCG test does not require fasting. Blood can be collected at any time of day. For serial monitoring, collect each sample at the same time of day (typically morning) for the most consistent comparison of doubling time.
Q4. What is the Beta-HCG test price at Apollo Diagnostics Kolkata?
The Beta-HCG (Quantitative) test price at Apollo Diagnostics is ₹1,000. No fasting required. Serial 48-hour repeat testing is available. Home collection is free on orders above ₹2,000.
Q5. What is the HCG doubling time and why does it matter?
In a healthy early pregnancy HCG levels typically double every 48–72 hours in the first trimester. A doubling time of more than 96 hours, a plateau or a falling HCG level is concerning and may indicate a failing pregnancy, ectopic pregnancy or missed miscarriage. Serial HCG measurements 48 hours apart are taken to calculate the doubling time and guide clinical decisions about intervention.
Q6. How does Beta-HCG help detect ectopic pregnancy?
In ectopic pregnancy (where the embryo implants outside the uterus — usually in the fallopian tube) HCG levels rise more slowly than in a normal intrauterine pregnancy and the doubling time is abnormally long (above 96 hours). Critically, when HCG is above 1,500–2,000 mIU/mL a gestational sac should be visible inside the uterus on transvaginal ultrasound — if no sac is seen at this HCG level, ectopic pregnancy is strongly suspected. Ectopic pregnancy is a surgical emergency and early detection by serial HCG and TVS is life-saving.
Q7. Can men have elevated Beta-HCG?
Yes. In men and non-pregnant women, HCG is normally undetectable (below 5 mIU/mL). Elevated HCG in a man or non-pregnant woman is abnormal and may indicate a germ cell tumour — most commonly testicular cancer (seminoma or non-seminoma), ovarian germ cell tumour, or choriocarcinoma. HCG is used as a tumour marker to diagnose these cancers and monitor treatment response. Any man with unexplained elevated HCG should be evaluated urgently with testicular ultrasound.
Q8. Is home collection available for Beta-HCG test in Kolkata?
Yes. Apollo Diagnostics provides home blood sample collection for Beta-HCG tests across Nagerbazar, Dum Dum, South Dum Dum, Amarpalli, Motijheel, Aswini Nagar, Baguiati, Lake Town, Bangur, Kaikhali, Sealdah, Entally, Phoolbagan, Tangra and surrounding areas. Book by calling or WhatsApping +91 8660434628.
Q9. How long does it take to get Beta-HCG test results?
Beta-HCG test results are available the same day. Digital reports are delivered to your WhatsApp or email.
Q10. Which centre processes my Beta-HCG sample in Kolkata?
All samples collected across North and Central Kolkata are processed at Apollo Diagnostics Nagerbazar — Nandarani Apartment, 8A Narasingha Avenue, Nagerbazar, Dum Dum, Kolkata 700074. Our lab is NABL-certified and ISO-certified.
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