In plain words
Recurrent pregnancy loss means two or more pregnancies that end in early loss, usually before 20 weeks. The losses do not have to happen one after another. It is different from a single , which is far more common and usually has no repeat cause. When losses repeat, clinicians look for possible causes, such as chromosome differences in a parent, clotting disorders, uterine shape, hormone or thyroid conditions, or infections. Many people with recurrent loss later have a healthy pregnancy. A first step is a conversation with your provider about your history. If bleeding, cramping, or fever starts in a pregnancy, call your provider the same day.
The deeper version
The American Society for Reproductive Medicine defines recurrent pregnancy loss as two or more clinical pregnancy losses, confirmed by ultrasound or pathology and typically before 20 weeks, not necessarily consecutive (ASRM Practice Committee, 2020). The evaluation is separate from that of a single loss and includes karyotyping of both partners, uterine anatomy assessment, antiphospholipid antibody testing, thyroid and glucose evaluation, and screening for inherited thrombophilias where indicated. Around half of recurrent losses have no identified cause after evaluation, which fuels debate about the value of testing and treatment. Trial evidence for several commonly used interventions is mixed, and the field relies heavily on observational data.
Where it comes up
- Trying to conceive: how long is normal, when to ask for helpBefore Pregnancy
- MiscarriageLoss and Complications
- Pregnancy after a lossPregnancy: Mind and Life
What mothers here say about recurrent pregnancy loss
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Sources
- American Society for Reproductive Medicine, Practice Committee — Definitions of infertility and recurrent pregnancy loss: a committee opinion (2020)
- American Society for Reproductive Medicine, Practice Committee — Evaluation and treatment of recurrent pregnancy loss: a committee opinion (2012)
- American College of Obstetricians and Gynecologists — Practice Bulletin No. 200: Early Pregnancy Loss (2018)