Recurrent Pregnancy Loss
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What Is Recurrent Pregnancy Loss?
Recurrent pregnancy loss (RPL) is defined as two or more consecutive pregnancy losses. It affects approximately 1-2% of couples trying to conceive. While each loss is emotionally devastating, with systematic evaluation and treatment, most RPL patients ultimately achieve a successful pregnancy.
Important: Even without any treatment, approximately 65% of women with RPL go on to have a successful pregnancy. With appropriate medical intervention, success rates improve further.
Common Causes
Chromosomal Abnormalities
About 50-60% of miscarriages involve embryo chromosomal abnormalities — usually random, but couples with chromosomal issues need special evaluation
Uterine Structural Issues
Uterine septum, fibroids, or intrauterine adhesions can interfere with implantation or normal development
Thrombophilia
Antiphospholipid syndrome and other clotting disorders cause placental blood flow problems — an important, treatable cause of RPL
Hormonal Issues
Thyroid disorders, hyperprolactinemia, or luteal phase deficiency can all contribute to pregnancy loss
Cervical Incompetence
Premature cervical dilation, typically causing second-trimester loss or preterm birth
Unexplained
About 30-50% of RPL cases have no identifiable cause — yet proactive treatment still helps improve outcomes
HRC Evaluation & Treatment
Comprehensive Cause Evaluation
Includes karyotyping for both partners, antiphospholipid antibody testing, hysteroscopy/ultrasound for uterine structure, thyroid and hormone panels, full coagulation workup
IVF + PGT (Preimplantation Genetic Testing)
Testing embryos for chromosomal normality before transfer significantly reduces recurrence risk — especially for known or suspected chromosomal factors
Uterine Surgical Correction
Hysteroscopic septum resection, adhesion lysis, fibroid removal — optimizing the uterine environment for implantation
Anticoagulation Therapy
When thrombophilia is confirmed, low-dose aspirin and heparin injections improve placental blood flow
Hormonal Support
Progesterone supplementation, thyroid medication adjustment — stabilizing the early pregnancy environment
Frequently Asked Questions
After how many losses should I seek a systematic RPL evaluation?
ASRM guidelines recommend evaluation after 2 or more consecutive pregnancy losses (including ultrasound-confirmed intrauterine pregnancies followed by miscarriage). However, earlier evaluation is reasonable after even 1 loss in these situations: age ≥ 35, known chromosomal or uterine abnormalities, or miscarriage following fertility treatment. Earlier evaluation and treatment — especially for older patients — helps preserve precious time.
Can PGT genetic testing completely prevent future miscarriages?
PGT (Preimplantation Genetic Testing) screens embryos for chromosomal number abnormalities (euploid embryos), significantly reducing miscarriage risk from chromosomal causes (from ~50-60% down to ~10-15% per transfer). However, PGT cannot screen for all genetic issues, nor does it address non-chromosomal causes of miscarriage (such as uterine structural problems or thrombophilia). PGT is an important tool for RPL but should be combined with comprehensive cause evaluation rather than used as a standalone solution.
How do I cope emotionally after recurrent loss? Are there support resources?
The grief and psychological impact of recurrent pregnancy loss are real and profound. HRC recognizes that miscarriage is not only a medical event but an emotional trauma. We encourage patients to: (1) Not face it alone — communicate openly with your partner about feelings; (2) Consider counseling with a therapist specializing in pregnancy loss; (3) Join a support group to connect with others who have similar experiences; (4) Give yourself time and avoid setting a deadline for recovery. HRC coordinators can help connect you with mental health resources.
My RPL evaluation came back completely normal — no cause found. What now?
About 30-50% of recurrent pregnancy loss is classified as "unexplained," which is understandably frustrating. The good news: approximately 65% of unexplained RPL patients still go on to have a successful pregnancy. Physicians typically recommend: (1) Continuing to try naturally with close early-pregnancy monitoring; (2) Considering IVF + PGT to select chromosomally normal embryos, reducing the impact of sporadic chromosomal errors; (3) Using supportive therapy in early pregnancy — progesterone supplementation and low-dose aspirin; (4) Periodic re-evaluation, as some contributing factors may change over time.
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