Pregnancy Tests: All Blood Tests & Ultrasound Scans You Need to Know

Pregnancy is a critical phase where accurate diagnostic testing plays a vital role in ensuring the health of both mother and baby.


Pregnancy Tests | Quick Overview

CategoryPurposeWhen Done
Pregnancy Blood TestsConfirm and monitor pregnancyEarly to late pregnancy
Ultrasound / RadiologyVisual assessment of baby & uterusFrom 5 weeks onwards

What Are Pregnancy Tests?

Pregnancy tests are medical investigations used to:

  • Confirm pregnancy
  • Determine gestational age
  • Monitor fetal growth
  • Detect maternal or fetal complications

These tests are divided into blood tests and ultrasound scans, each serving a specific medical purpose.


Pregnancy Blood Tests | Complete List

Pregnancy Blood Tests Table

Test NameWhy It Is DoneBest Time to Perform
Beta HCG Blood TestConfirms pregnancy accurately7–10 days after conception
Quantitative HCGMonitors pregnancy progressionEarly pregnancy
Complete Blood Count (CBC)Detects anemia & infectionThroughout pregnancy
Blood Group & Rh FactorPrevents Rh incompatibilityFirst trimester
Thyroid Function Tests (TSH, T3, T4)Hormonal balance & fetal brain developmentFirst trimester
Blood Sugar Tests (Fasting / Random / HbA1c)Detects gestational diabetes24–28 weeks or earlier if needed
HBsAgHepatitis B screeningEarly pregnancy
Anti-HCVHepatitis C screeningEarly pregnancy
HIV TestPrevents mother-to-child transmissionEarly pregnancy
VDRLSyphilis screeningEarly pregnancy

1. Beta HCG Blood Test (Most Accurate Pregnancy Test)

Rising HCG hormone chart

The Beta Human Chorionic Gonadotropin (HCG) blood test is considered the gold standard for pregnancy confirmation.

Key Benefits:

  • Detects pregnancy earlier than urine tests
  • Highly accurate and reliable
  • Helpful in medical decision-making

2. Quantitative HCG Test

Week-wise HCG level graph

This test measures the exact HCG level in blood and helps doctors assess whether the pregnancy is progressing normally.


3. Complete Blood Count (CBC)

Blood components illustration

CBC evaluates hemoglobin levels, white blood cells, and platelets to ensure the mother’s overall health during pregnancy.


4. Blood Group & Rh Factor

Blood group compatibility chart

This test is essential to identify Rh-negative mothers who may require preventive treatment to avoid complications.


5. Thyroid Function Tests (TSH, T3, T4)

Thyroid gland diagram

Balanced thyroid hormones are crucial for healthy pregnancy and fetal brain development.


6. Blood Sugar Tests During Pregnancy

Glucose monitoring illustration

These tests help diagnose gestational diabetes, which can affect both mother and baby if left untreated.


7. Infection Screening Tests

Infection protection icons

Routine infection screening protects the baby from congenital infections and ensures maternal safety.


Pregnancy Ultrasound & Radiology Tests

Pregnancy Ultrasound Tests Table

Ultrasound TypePurposeRecommended Time
Early Pregnancy UltrasoundConfirms pregnancy location5–6 weeks
Dating ScanCalculates gestational age8–12 weeks
Anomaly ScanDetects birth defects18–22 weeks
Growth ScanMonitors fetal growthAfter 28 weeks
Doppler UltrasoundAssesses blood flowHigh-risk pregnancies

1. Early Pregnancy Ultrasound

Used to confirm intrauterine pregnancy and rule out ectopic pregnancy.


2. Dating Scan

Helps determine accurate gestational age and expected delivery date.


3. Anomaly Scan (Level II Ultrasound)

This scan identifies structural abnormalities and ensures healthy fetal development.


4. Growth Scan

Monitors baby’s size, weight, and amniotic fluid levels.


5. Doppler Ultrasound

Recommended in high-risk pregnancies to assess placental and fetal blood flow.


Frequently Asked Questions

Which pregnancy test is most accurate?
The Beta HCG blood test is the most accurate method to confirm pregnancy.

When should pregnancy tests be done?
Blood tests can be done 5–7 days after a missed period, while ultrasound is recommended after 5 weeks.

Are pregnancy blood tests safe?
Yes, pregnancy blood tests are completely safe for both mother and baby.


Why Choose a Nayab Lab for Pregnancy Tests?

Accurate pregnancy testing requires:

  • Advanced laboratory technology
  • Qualified medical professionals
  • Strict quality control standards
  • Confidential reporting

Choosing a trusted diagnostic lab ensures reliable results and peace of mind.


Pregnancy Testing Services at Nayab Labs & Diagnostic Centre

Nayab Labs & Diagnostic Centre offers:

  • Complete pregnancy blood test panels
  • Advanced ultrasound and radiology services
  • Experienced laboratory and radiology professionals
  • Accurate and timely diagnostic reports

Contact Us for More Details: UAN: 051-111-770-770 or Visit Nayab Labs & Diagnostic Centre

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