|Fetus in First Trimester|
|Copyright © Nucleus Medical Media, Inc.|
- Chromosomal abnormalities (common cause)
- Abnormalities in the uterine tract (eg, fibroids)
- Hormonal problems (eg, not having enough progesterone, a female hormone needed to support pregnancy)
- Factors related to the immune system (eg, may cause blood-clotting problems or rejection of the fetus)
- Having an infection
- Being older (maternal age of 35 years or older)
- Smoking, drinking alcohol, or using drugs
- Taking certain prescribed medicines
- Being exposed to certain environmental toxins
- Having a long-term condition that affects the immune system (eg, lupus, diabetes)
- Having high-dose radiation therapy on the ovary and uterus or the pituitary gland during treatment for childhood cancer
- Vaginal bleeding
- Pink or brown discharge
- Passing the fetus, placenta, and surrounding membranes through the vagina
- Chromosome problem in one member of the couple in 5%
- Uterine abnormalities in 10%-15%
- Hormone problems in 5%-40%
- Immune system problems in 5%-10%
- Unknown causes in 25%
- Ultrasound testing—to assess the health of the fetus or detect an ectopic pregnancy (a pregnancy in which development occurs outside the uterus)
- Blood test—to check the exact amount of the hormone (called human chorionic gonadotropin or hCG) important to sustain an early pregnancy
- Examination of the tissue that has passed through the vagina
- Blood tests—to check for a chromosomal error in the man or the woman or to check hormone and antibody levels
- Imaging tests—(eg, x-rays, ultrasound) to identify a problem with your uterus
- Endometrial biopsy—to check the uterine lining to see if it can support a pregnancy
- Hysteroscopy—to examine the inside of the uterus
- Antibiotics for infection
- Hormone (progesterone) supplements
- Aspirin and other medicines to treat blood-clotting problems
- Uterine fibroids
- Septate uterus (tissue in the center of the uterus)
- Incompetent (weakened) cervix
- Is your diet ready to support another pregnancy?
- Are there habits you should change prior to another pregnancy?
- What medicines are you taking and will they affect a pregnancy?
- How is your health?
- Are there issues you should resolve before trying another pregnancy?
The American College of Obstetricians and Gynecologists http://www.acog.org/
The International Council on Infertility Information Dissemination http://www.inciid.org/
March of Dimes Foundation http://www.marchofdimes.com/
The Society of Obstetricians and Gynaecologists of Canada http://www.sogc.org/
Women's Health Matters http://www.womenshealthmatters.ca/
Miscarriage. American Pregnancy Association website. Available at: http://www.americanpregnancy.org/pregnancycomplications/miscarriage.html/. Updated November 2011. Accessed August 10, 2012.
Miscarriage. EBSCO DynaMed website. Available at: http://www.ebscohost.com/dynamed/. Updated August 3, 2012. Accessed August 10, 2012.
Miscarriage. March of Dimes website. Available at: http://www.marchofdimes.com/baby/loss%5Fmiscarriage.html. Updated October 2008. Accessed August 10, 2012.
12/2/2008 DynaMed's Systematic Literature Surveillance http://www.ebscohost.com/dynamed/what.php: Winther JF, Boice JD Jr, Svendsen AL, Frederiksen K, Stovall M, Olsen JH. Spontaneous abortion in a Danish population-based cohort of childhood cancer survivors. J Clin Oncol. 2008;26:4340-4346.
4/16/2009 DynaMed's Systematic Literature Surveillance http://www.ebscohost.com/dynamed/what.php: Bhattacharya S, Townend J, Shetty A, Campbell D, Bhattacharya S. Does miscarriage in an initial pregnancy lead to adverse obstetric and perinatal outcomes in the next continuing pregnancy? BJOG. 2008;115:1623-1629.
6/25/2010 DynaMed's Systematic Literature Surveillance http://www.ebscohost.com/dynamed/what.php: Nakhai-Pour HR, Broy P, Bérard A. Use of antidepressants during pregnancy and the risk of spontaneous abortion. CMAJ. 2010 May 31.
- Reviewer: Andrea Chisholm
- Review Date: 09/2012 -
- Update Date: 00/91/2012 -