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Pregnancy Blood Tests in Ahmedabad — Complete Guide: Which Tests, When & Why

Published on 23 Jun 2026

Pregnancy Blood Tests in Ahmedabad — Complete Guide: Which Tests, When & Why

Pregnancy is a journey of immense joy — and immense responsibility. One of the most important steps every expecting mother should take is timely blood testing. Pregnancy blood tests don't just check your health — they protect your baby's development, screen for genetic conditions, and catch complications before they become dangerous.

Why Pregnancy Blood Tests Are Essential

  • Detect infections that can harm the baby (Rubella, Hepatitis B, HIV, Syphilis)

  • Monitor blood group and Rh factor (critical to prevent Rh incompatibility)

  • Screen for gestational diabetes and anemia

  • Identify chromosomal abnormalities early

  • Ensure mother's thyroid, iron, and vitamin levels support the growing baby

First Trimester (0–12 Weeks) — Most Critical Phase


Test

Why It's Done

Blood Group & Rh Factor

Identifies Rh incompatibility risk between mother & baby

CBC (Complete Blood Count)

Checks for anemia, infection, platelet count

Blood Sugar (FBS/PPBS)

Screens for pre-existing diabetes

TSH (Thyroid)

Thyroid problems affect baby's brain development

Serum Iron & Ferritin

Iron needs double during pregnancy

TORCH Profile

Screens for Toxoplasma, Rubella, CMV, Herpes — all harmful to fetus

Hepatitis B Surface Antigen (HBsAg)

Mother with HepB can pass it to baby at birth

HIV Test

Critical for preventing mother-to-child transmission

VDRL (Syphilis)

Untreated syphilis causes miscarriage and birth defects

Urine Routine & Microscopy

Detects UTI and kidney issues

Vitamin D & B12

Deficiencies linked to neural tube defects


Second Trimester (13–28 Weeks)


Test

Why It's Done

Anomaly Scan + Double/Triple Marker

Screens for Down syndrome, trisomy

OGTT (Oral Glucose Tolerance Test)

Gold standard test for gestational diabetes (24–28 weeks)

CBC Repeat

Re-checks for anemia as blood volume increases

Hemoglobin Electrophoresis

Screens for sickle cell anemia & thalassemia (important in Gujarat)

Indirect Coombs Test

For Rh-negative mothers — checks for antibody development


Note for Gujarat residents: Thalassemia is especially prevalent in Gujarat. Hemoglobin electrophoresis for both parents before or early in pregnancy is strongly advised.

Third Trimester (29–40 Weeks)


Test

Why It's Done

CBC (Third Trimester)

Pre-delivery anemia check

Blood Sugar (Repeat)

Monitors gestational diabetes management

Coagulation Profile (PT/INR)

Ensures blood clots properly before delivery

HBsAg Repeat

Pre-delivery check for hepatitis B

Group B Streptococcus (GBS)

Bacteria that can infect baby during delivery

Serum Ferritin

Pre-delivery iron stores assessment

Related Tests You Should Know About

Since thyroid health is especially critical during pregnancy, read our detailed guide on understanding your thyroid test report: TSH, T3, T4 explained simply to understand your results clearly.

If you prefer not to travel to the lab during pregnancy, our home blood sample collection service is safe, hygienic, and available across Ahmedabad.

Conclusion

Every test in this list has a purpose — protecting you and your baby. Skipping even one can leave a serious condition undetected until it's too late. Follow your trimester-wise schedule diligently.

Shanti Pathology Laboratory is the best blood test lab in Ahmedabad for comprehensive pregnancy blood testing — with accurate NABL-standard reports, a gentle team experienced with expecting mothers, and home collection available. Trust Shanti Pathology Laboratory throughout your pregnancy journey — because your baby deserves the best start.

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