High-Risk Pregnancy

What is a high-risk pregnancy?

High-risk pregnancies are pregnancies in which the mother and/or baby has an increased chance of developing a serious health issue.

In recent years, American women have been giving birth at older ages, and more mothers-to-be have conditions such as gestational diabetes and preeclampsia (1, 2). Likewise, the number of pregnancies classified as high risk has increased.

When properly managed, high-risk pregnancies can often result in a healthy mother and infant. However, it is very important that medical professionals be extra vigilant when treating women with high-risk pregnancies; they should also recommend that these patients consult with maternal-fetal specialists. In addition to putting mothers’ lives in jeopardy, negligent management of a high-risk pregnancy can cause babies to sustain avoidable birth injuries and develop lifelong conditions such as cerebral palsy.

high risk pregnancy

What conditions make a pregnancy high-risk?

Listed below are some of the common conditions that cause a pregnancy to be considered high-risk:

Diabetes and gestational diabetes

Doctors should recommend that women with diabetes have their blood sugar levels properly managed before trying to become pregnant. Moreover, pregnancy may necessitate different strategies for managing diabetes. Close monitoring by specialized medical professionals is very important for the health of both mother and baby (3).

It is also important to know that many previously non-diabetic women develop diabetes during pregnancy. This is known as gestational diabetes. As with other forms of diabetes, gestational diabetes is characterized by an imbalance between sugar and insulin (a hormone that helps move sugar out of the bloodstream and into cells, where it is used for energy). During pregnancy, a slight change in this balance is normal and healthy. Hormonal changes in pregnancy confer increased resistance to insulin, which allows more glucose in the bloodstream to be passed to the baby. However, some women become too insulin resistant, and develop gestational diabetes (4).

If diabetes or gestational diabetes is not properly managed, the baby can grow abnormally large or macrosomic. This makes vaginal delivery very difficult. Mothers giving birth to babies with macrosomia are at increased risk of genital tract lacerations, postpartum hemorrhage, and uterine rupture, which can be life-threatening. Macrosomic infants are also at risk for serious complications, including shoulder dystociabrachial plexus injury, bone fractures, and birth asphyxia (5).

Infants of diabetic mothers are also at higher risk of neonatal hypoglycemiarespiratory distress, being small for gestational age, polycythemia, and other complications (6).

High blood pressure and preeclampsia

There are three types of high blood pressure during pregnancy: chronic hypertension, gestational hypertension, and preeclampsia. Chronic hypertension is high blood pressure that begins prior to pregnancy or in the first 19 weeks of pregnancy. Gestational hypertension is high blood pressure that begins after 20 weeks of pregnancy. Preeclampsia is high blood pressure after the 20th week of pregnancy, in addition to other signs of organ dysfunction, such as proteinuria (an abnormal amount of urine protein). (7).

Hypertension and preeclampsia during pregnancy can cause serious health issues for the mother and baby. These include the following (7, 8, 9, 10):

Maternal complications (it is important to note that these can also cause serious harm to the baby):

Fetal complications:

With proper medical management, a mother with high blood pressure or preeclampsia may be able to have a safe pregnancy and a healthy baby. However, it is extremely important that she be referred to physicians who are equipped to handle these conditions, and that she receive the monitoring and medical interventions that she needs.

Maternal obesity

Numerous health problems are associated with obesity during pregnancy. Obesity increases the risk of gestational diabetes, macrosomia, premature birth, hypertension, preeclampsia, and prolonged labor (11). Additionally, women who gain 35 or more pounds during pregnancy often end up having assisted deliveries with forceps or vacuum extractors (12), which increases the risk of infant brain bleeds (intracranial hemorrhages) (13).

It is very important that physicians properly advise expecting mothers of the complications associated with obesity during pregnancy, as well as have a discussion with them about how best to minimize risks.

Multiple births

Multiples (twins, triplets, or more) are often born prematurely, and are more likely to be delivered via cesarean section (C-section). Premature babies are more likely to have issues such as breathing problems (e.g. respiratory distress syndromeapnea), intraventricular hemorrhagenecrotizing enterocolitisjaundiceanemia, and infections (14). Preemies are also vulnerable to forms of brain damage that can lead to cerebral palsy — and research shows that multiples are more likely to develop cerebral palsy than are single preterm babies of the same gestational age.

Additional complications associated with multiples birth include intrauterine growth restriction (IUGR), preeclampsia, gestational diabetes, placental abruption, hyperemesis gravidarumintrahepatic cholestasis of pregnancy (ICP)polyhydramniospostpartum hemorrhage, twin-twin transfusion syndrome (TTTS), miscarriage, and stillbirth  (15, 16, 17).

Maternal age

Women over the age of 35 are often considered to be of “advanced maternal age,” although the risks associated with age increase more on a continuum basis (18, 19). Older mothers are at an increased risk of developing conditions like preeclampsia and gestational diabetes. They are also more likely to require delivery via C-section. Babies of older women are more likely to have genetic disorders such as Down syndrome, and are at higher risk for being born prematurely or having a low birth weight. Women of advanced maternal age are also at higher risk for having a miscarriage or stillbirth (20). This is not to say that women over the age of 35 cannot deliver healthy babies; just that they require additional monitoring to make sure that serious health problems do not pose a threat to their pregnancies.

Other health conditions and lifestyle issues

Pregnancies may be designated as high-risk if the mother has a health condition such as polycystic ovary syndrome, kidney disease, autoimmune disease, thyroid disease, or HIV/AIDS. Alcohol consumption and cigarette smoking are also very dangerous for the developing baby.

Management of a high-risk pregnancy

In any pregnancy, medical professionals should conduct regular tests to evaluate the health of the mother and baby. Prenatal assessments may include non-stress tests (NSTs), contraction stress tests (CSTs), ultrasounds for AFI (amniotic fluid index), biophysical profiles (BPPs), Doppler flow studies, and more. These tests can be used to identify a number of fetal risks and pregnancy complications; concerning results may indicate that intervention is necessary.

In high-risk pregnancies, physicians often recommend more frequent and extensive testing. This is critical because careful surveillance can allow sufficient time for medical intervention if the need arises.

In particular, doctors and nurses must be vigilant for signs of fetal distress. These are indications that the baby is not receiving enough oxygen. If a baby is in distress, appropriate interventions may include the administration of oxygen, fluids, and medication to the mother, or a change in the mother’s position. Often, an emergency C-section is required in order to remove the baby from the conditions causing the fetal distress, especially if earlier interventions did not cause fetal heart tones to become reassuring.

For many patients with high-risk pregnancies, it is wise to have a planned early delivery. Physicians should discuss this option with their patients. In order to provide informed consent, patients must understand the risks and benefits of various courses of action.

It is negligence if medical professionals fail to conduct the appropriate prenatal testing for patients with high-risk pregnancies, obtain informed consent, or promptly intervene when necessary. If any of these negligent actions cause harm to a mother or baby, it constitutes medical malpractice.

Legal help for high-risk pregnancy, birth injury, and medical malpractice

Birth injury is a challenging area of malpractice law to pursue due to the complex nature of the medical records. The award-winning attorneys at ABC Law Centers have decades of joint experience with birth injury, hypoxic-ischemic encephalopathy (HIE), and cerebral palsy cases, many of which have involved mismanagement of high-risk pregnancies.

To find out if you have a case, contact our firm to speak with one of our lawyers. We have numerous multi-million dollar verdicts and settlements that attest to our success, and no fees are ever paid to our firm until we win your case. We give personal attention to each child and family we help, and are available 24/7 to speak with you.

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Helpful resources

  1. Lavery, J. A., Friedman, A. M., Keyes, K. M., Wright, J. D., & Ananth, C. V. (2017). Gestational diabetes in the United States: temporal changes in prevalence rates between 1979 and 2010. BJOG: An International Journal of Obstetrics & Gynaecology124(5), 804-813.
  2. Ananth, C. V., Keyes, K. M., & Wapner, R. J. (2013). Pre-eclampsia rates in the United States, 1980-2010: age-period-cohort analysis. Bmj347, f6564.
  3. Pregnancy if You Have Diabetes. (2017, January 01). Retrieved October 31, 2018, from https://www.niddk.nih.gov/health-information/diabetes/diabetes-pregnancy
  4. Macon, B. L., & Yu, W. (n.d.). Gestational Diabetes. Retrieved October 31, 2018, from https://www.healthline.com/health/gestational-diabetes#risk-factors
  5. (n.d.). Retrieved October 31, 2018, from https://www.uptodate.com/contents/fetal-macrosomia
  6. Infant of Diabetic Mother. (2017, January 07). Retrieved October 31, 2018, from https://emedicine.medscape.com/article/974230-overview
  7. Women’s Health Care Physicians. (n.d.). Retrieved October 31, 2018, from https://www.acog.org/Patients/FAQs/Preeclampsia-and-High-Blood-Pressure-During-Pregnancy
  8. High Blood Pressure in Pregnancy | Preeclampsia. (2018, February 22). Retrieved October 31, 2018, from https://medlineplus.gov/highbloodpressureinpregnancy.html
  9. (n.d.). Retrieved October 31, 2018, from https://www.uptodate.com/contents/preeclampsia-clinical-features-and-diagnosis?search=preeclampsia&source=search_result&selectedTitle=1~150&usage_type=default&display_rank=1
  10. W. (2018, May 18). Frequently asked questions about preeclampsia and HELLP syndrome. Retrieved October 31, 2018, from https://www.preeclampsia.org/health-information/faqs
  11. (n.d.). Retrieved October 31, 2018, from https://www.uptodate.com/contents/obesity-in-pregnancy-complications-and-maternal-management?search=obesity%20during%20pregnancy&source=search_result&selectedTitle=1~150&usage_type=default&display_rank=1#H32
  12. Heavy moms-to-be at greater risk of C-section, study finds. (2013, March 05). Retrieved October 31, 2018, from https://www.sciencedaily.com/releases/2013/03/130305100737.htm
  13. Brouwer, A. J., Groenendaal, F., Koopman, C., Nievelstein, R. J. A., Han, S. K., & de Vries, L. S. (2010). Intracranial hemorrhage in full-term newborns: a hospital-based cohort study. Neuroradiology52(6), 567-576.
  14. Premature babies. (n.d.). Retrieved October 31, 2018, from https://www.marchofdimes.org/complications/premature-babies.aspx
  15. Women’s Health Care Physicians. (n.d.). Retrieved October 31, 2018, from https://www.acog.org/Patients/FAQs/Multiple-Pregnancy
  16. Complications in a Multiples Pregnancy. (2016, September 02). Retrieved October 31, 2018, from http://americanpregnancy.org/multiples/complications/
  17. Being pregnant with twins, triplets and other multiples. (n.d.). Retrieved October 31, 2018, from https://www.marchofdimes.org/complications/being-pregnant-with-twins-triplets-and-other-multiples.aspx
  18. Lisonkova, S., Potts, J., Muraca, G. M., Razaz, N., Sabr, Y., Chan, W. S., & Kramer, M. S. (2017). Maternal age and severe maternal morbidity: A population-based retrospective cohort study. PLoS medicine14(5), e1002307.
  19. (n.d.). Retrieved October 31, 2018, from https://www.uptodate.com/contents/effects-of-advanced-maternal-age-on-pregnancy?search=advanced%20maternal%20age&source=search_result&selectedTitle=1~150&usage_type=default&display_rank=1
  20. Pregnancy after age 35. (n.d.). Retrieved October 31, 2018, from https://www.marchofdimes.org/complications/pregnancy-after-age-35.aspx