TORCH tests before pregnancy
TORCH panel · TORCH screen · toxoplasma, rubella, CMV, herpes test · pre-pregnancy blood test
This is a blood test from a vein. It shows if your body has met infections that are risky in pregnancy: toxoplasmosis, rubella, cytomegalovirus, and herpes.
When planning a pregnancy, usually 2 to 3 months before, and sometimes in early pregnancy.
⏱ Duration: the blood draw takes a few minutes; results usually come in a few days

Be sure to tell your doctor
How to prepare
- Food. Best in the morning before eating, or a few hours after a light meal. Check with the lab.
- The day before. For 24 hours, no alcohol and no hard workouts. Best not to smoke in the morning.
- Medicines. Do not stop them on your own. Tell your doctor what you take. They will decide if anything should change.
What to bring
- Your test request form
- Your ID
- Your vaccination record, if you have it
How it goes
- You sit down and rest your arm on the armrest
- A band is tightened above your elbow
- The skin is wiped with antiseptic
- A quick prick, and blood fills a tube
- The needle comes out, and a cotton pad is pressed on the spot
What you'll feel
- A quick prick, like a pinch
- Sometimes slight dizziness. Tell the nurse
Afterwards
- Press the cotton pad for 3 to 5 minutes and keep your arm straight
- You can eat right away and go back to your usual day
- Results usually come in a few days. The lab will tell you when
- If you are not protected against rubella, your doctor may offer a vaccine before pregnancy
Common questions
What does a positive IgG mean?
Usually it means you had the infection in the past and are protected. Your doctor will explain.
When should I test if I am planning a pregnancy?
Usually 2 to 3 months before, so there is time for a vaccine if needed.