Clinically reviewed by Dr. Ashlesha Patwardhan, Reproductive Health Doctor & Women's Health Researcher| Last reviewed: October 2025
After a miscarriage, it’s natural to want answers. Most early losses are due to chromosomal abnormalities — not anything you did — but after two or more consecutive miscarriages, doctors often recommend further testing to look for an underlying cause.
When Doctors Recommend Testing
After one miscarriage: Usually, testing isn’t done unless there are unusual symptoms or known medical issues.
After two or more miscarriages: Doctors may suggest a recurrent miscarriage workup — including blood, genetic, or imaging tests to look for possible hormonal, immune or structural causes.
After a later loss (second or third trimester): Testing is usually recommended automatically to check for uterine, placental, or medical conditions that could recur.
Common Types of Testing
Blood tests
Look for:
Hormone imbalances (thyroid function, progesterone and prolactin)
Autoimmune or clotting disorders (antiphospholipid syndrome, lupus anticoagulant, or inherited thrombophilias)
Chromosomal abnormalities — karyotyping of both partners may be recommended if a genetic cause is suspected
Tissue testing
If tissue from the miscarriage is available, doctors may test for chromosomal changes. This can confirm whether the cause was genetic rather than structural or hormonal.
Ultrasound and imaging
Pelvic or 3D ultrasound, hysterosalpingography, or hysteroscopy can assess the uterus for fibroids, septum, or scarring (Asherman’s syndrome) that may contribute to recurrent miscarriage.
Additional testing
If initial tests are inconclusive, doctors may check for chronic infections or immune-related factors.
What the Results Mean
Even if testing doesn’t reveal a clear cause, it doesn’t mean hope is lost. Many people go on to have a healthy pregnancy with time, care, and the right support.
Emotional Side
Waiting for test results can be hard. Many describe it as reopening the wound of loss:
“I wanted to know why, but I was terrified of what I might hear.”
It’s okay to ask your provider for emotional support during this stage, too.
Key Takeaways
Most early miscarriages aren’t preventable and often result from genetic changes.
Testing is typically offered after two or more consecutive losses or after a late loss.
Results can help guide treatment, such as progesterone support or clotting medications.
It’s normal to feel anxious while waiting for answers — you deserve both clarity and compassion.
Testing is typically offered after two or more consecutive losses. For the broader picture of what causes miscarriage, read What Causes Miscarriage? Common Myths vs. Medical Facts. If tests confirm recurrent miscarriage, read How Are Recurrent Miscarriages Diagnosed and Treated? for information on treatment options. And for the emotional weight of waiting for results, our guide Coping With Miscarriage Grief: What Helps may offer some support.
Sometimes miscarriage leaves more questions than answers. Sibyl is a private, confidential space to process what you’ve been through — including the uncertainty. Try Sibyl
