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21 years
Had a miscarraige then next month got pregnant i gave birth 5 month ago now pregnant but miscarried PS : miscarraige was normal what could be the reason ?
Feb 27, 2015

Dr. Zakia Dimassi Pediatrics
Spontaneous abortion is defined as "a noninduced embryonic or fetal death or passage of products of conception before 20 wk gestation."
Threatened abortion on the other hand is vaginal bleeding without cervical dilation occurring during this period of time and indicates that spontaneous abortion may take place in a woman with a confirmed viable intrauterine pregnancy.

Diagnosis is by clinical criteria and ultrasonography. Treatment is usually expectant observation for threatened abortion and, if spontaneous abortion has occurred or appears unavoidable, observation or uterine evacuation.

Abortions may be classified as early (before 12 weeks of gestation) or late, spontaneous or induced for therapeutic or elective reasons, threatened or inevitable, incomplete or complete, recurrent (also called recurrent pregnancy loss), missed, or septic (due to widespread infection).

A rough 20 to 30% of women with confirmed pregnancies bleed during the first 20 weeks of pregnancy; half of these women undergo spontaneous abortion. As such, the incidence of spontaneous abortion is about 10 to 15% in confirmed pregnancies. The true incidence in all pregnancies is probably higher because some very early abortions are confused for a delayed menstrual period.

Isolated spontaneous abortions may result from:
-Certain viral infections, namely herpes or cytomegalovirus (CMV)
-Disorders that can lead to sporadic abortions or recurrent pregnancy loss (eg, chromosomal abnormalities, trouble with the luteal phase of the ovulation).
-Immunologic defects
-Major trauma
-Uterine abnormalities (eg, fibroids, adhesions).

Most cases, however, have no identifiable cause.

In your case, the fact that you've had a previous spontaneous abortion constitutes a risk factor. You are advised to discuss this issue with your obstetrician.