Although tennis star Serena Williams commands the court with ease when she plays, recent life-threatening complications following the birth of her daughter sidelined her for six weeks. Williams recently told the story of her medical ordeal in the February 2018 issue of Vogue.

After an easy pregnancy, things turned precarious when Williams had to have an emergency cesarean section (C-section) because the baby's heart rate was dropping rapidly during contractions. The C-section went smoothly and her daughter, Olympia, was born on Sept. 1, 2017. But what followed was far from smooth, Williams told the magazine.

The next day, Williams suddenly felt short of breath. Having suffered a pulmonary embolism in 2011 – a sudden blockage of an artery in the lungs – she immediately alerted her medical team about her symptoms. 

Williams had a history of blood clots in her lungs and had been taken off blood thinners before delivery. A CT scan revealed several small blood clots in her lungs and a heparin drip was started within minutes.

Unfortunately, the complications did not end there. After suffering some severe coughing from the clots in her lungs, the sutures on her C-section incision gave way. The blood thinner they put her back on to save her life caused bleeding at the incision site, and a large hematoma had filled her abdomen.

Yet another surgery was needed, and a filter was inserted into a major vein so no more clots would find their way to her lungs. As a result of these complications, Williams wasn't able to get out of bed for six weeks.

Williams is a high-profile example of a fairly common, but very serious, healthcare complication. According to the U.S. Centers for Disease Control and Prevention, about one-fifth of the 4 million women who deliver in the U.S. each year have a serious problem before they start labor and one-fourth will have serious complications during labor or delivery.

“Someone with a history of blood clots should be managed very differently around the time of delivery,” said Dr. James T. Christmas, an obstetrician/gynecologist with Commonwealth Perinatal Associates in Richmond, Virginia, and HCA’s national medical director of Women’s and Obstetric Services.

“In looking at over one million patients in our facilities back in 2006, we determined that [blood clots after cesarean delivery] was a leading cause of maternal morbidity,” Dr. Christmas said. “For that reason, in 2008, we initiated a policy in all of our hospitals where patients who have a cesarean section – without fail – have sequential compression devices put on their legs when they’re put on the table.” 

According to Dr. Christmas, this policy has virtually eliminated post-cesarean thromboembolism in all HCA hospitals and is now the standard worldwide.

If you are expecting, or planning on becoming pregnant, Dr. Christmas encourages all patients to be forthright about any previous or existing health conditions and to be their own advocate.

“We want to advocate for our patients, but we also want our patients to advocate for themselves,” Dr. Christmas said. “If you perceive there is something wrong you should absolutely, 100 percent of the time, notify your caregivers and ask for an explanation.”

If you have any questions or concerns about your pregnancy or blood clots, click here to make an appointment with a skilled doctor at The Medical Center of Aurora. The Medical Center of Aurora is a leader in healthcare.

Symptoms that may indicate a developing blood clot include: 

  • Persistent pain in the calf (typically described as a charley horse-like pain)
  • Asymmetric swelling of the lower extremities
  • Sudden onset of chest pain, shortness of breath or a rapid heart rate

If you experience any of the symptoms above, you should inform your nurse if you are in the hospital or call your physician if you have been discharged home, says Dr. Christmas.

If you are pregnant, it’s important to recognize that pregnancy itself is a risk factor for developing blood clots. To minimize your risk, adhere to the following recommendations:

  • If you’re going on a long trip, stay hydrated and ambulate at least once an hour to maintain circulation (in the car or on a plane)
  • If you are a smoker, quit smoking
  • If you are hospitalized, you may be put on medications to decrease your risk of developing a blood clot

This content originally appeared on HealthLibrary.