Placental Abruption: An Obstetrical Emergency
Placental abruption is a potentially life-threatening pregnancy complication in which the placenta separates from the uterine wall before the baby is delivered. Because the placenta provides the fetus with oxygen and nutrients, a significant separation can compromise the baby’s oxygen supply while also causing potentially severe maternal bleeding. Abruption can therefore become an emergency requiring rapid evaluation, close maternal and fetal monitoring, and, when necessary, prompt delivery.
Although some placental abruptions occur suddenly and without warning, healthcare providers are expected to recognize concerning symptoms and risk factors and respond appropriately when an abruption is suspected. Failures in diagnosis, fetal or maternal monitoring, emergency delivery, blood-loss management, or neonatal resuscitation can have devastating consequences. At Kalfayan Merjanian, LLP, we represent families whose children have suffered serious birth injuries and investigate whether negligent obstetrical care amounting to medical malpractice caused preventable harm.
What Happens During a Placental Abruption?
Normally, the placenta remains attached to the uterine wall until after the baby is delivered. During a placental abruption, part or all of the placenta separates prematurely. This separation can cause bleeding between the placenta and uterus. Importantly, not all of that blood necessarily exits through the vagina. Some bleeding can remain concealed behind the placenta, meaning the apparent amount of vaginal bleeding may significantly underestimate the mother’s actual blood loss.
As the separation progresses, the baby may receive less oxygen through the placenta. At the same time, the mother may experience substantial blood loss, potentially progressing to hemodynamic instability, hemorrhagic shock, or disseminated intravascular coagulation (DIC).
Which Symptoms Should Prompt Immediate Evaluation?
Placental abruption can present with vaginal bleeding, sudden abdominal pain, back pain, uterine tenderness, or a firm or unusually irritable uterus. But the absence of visible bleeding does not rule out an abruption because bleeding can be concealed. This makes a pregnant patient’s report of sudden or severe abdominal or back pain particularly important. A patient may also develop signs of blood loss, including a rapid heart rate or falling blood pressure. A healthcare provider who dismisses these symptoms as ordinary discomfort or assumes that the absence of substantial vaginal bleeding means there is no emergency may miss a potentially life-threatening condition.
Can a Placental Abruption Be Missed?
Diagnosis can be challenging because there is no single test that reliably detects every abruption. Diagnosis is generally based on the clinical presentation, maternal and fetal condition, and supporting laboratory and imaging findings. Ultrasound may identify some abruptions, but a normal ultrasound does not exclude the condition. That does not mean providers are expected to diagnose every abruption immediately, but it does mean that symptoms and risk factors should be evaluated appropriately and that other dangerous causes of pregnancy-related bleeding should be considered. A failure to take sudden abdominal pain, vaginal bleeding, abdominal trauma, or other warning signs seriously can become an important issue in a medical malpractice investigation.
What If a Pregnant Patient Is Sent Home Too Soon?
A pregnant patient who presents with concerning symptoms may require observation and continued monitoring rather than immediate discharge. The appropriate disposition depends on gestational age, the amount and persistence of bleeding, fetal status, maternal stability, and other circumstances. For example, patients with preterm pregnancies may sometimes be hospitalized for observation when the mother and fetus are stable, while continued bleeding, maternal instability, or a nonreassuring fetal heart rate can require prompt delivery. Prematurely discharging a patient who continues to experience significant bleeding or other signs of possible abruption can create serious risks if the condition subsequently worsens outside the hospital.
A particularly important scenario involves abdominal trauma, such as from a car accident or fall. Abdominal trauma is a recognized risk factor for placental abruption and should be considered when a pregnant patient develops concerning symptoms afterward.
How Should Doctors Distinguish Abruption From Other Dangerous Conditions?
Vaginal bleeding later in pregnancy has several possible causes, and some require very different treatment. Placental abruption is commonly associated with abdominal pain or uterine tenderness, while placenta previa more typically produces painless bleeding. But the symptoms can overlap, making appropriate evaluation important. Ultrasound can help evaluate placental location and may identify some abruptions. When placenta previa has not been excluded, a digital cervical examination can be dangerous and should not be performed until previa and vasa previa have been ruled out. A sterile speculum examination may be appropriate as part of the evaluation of late-pregnancy bleeding. A malpractice investigation may therefore examine whether providers appropriately considered and evaluated competing diagnoses instead of prematurely concluding that bleeding or pain had a less serious explanation.
Why Is Fetal Monitoring So Important?
Once placental abruption is suspected, the baby’s condition must be evaluated carefully. Fetal heart rate monitoring can reveal signs that the baby is not receiving adequate oxygen. Possible concerning patterns include significant bradycardia, prolonged decelerations, recurrent late decelerations, or other nonreassuring patterns.
Monitoring is useful only if healthcare providers interpret it correctly and respond appropriately. A failure to recognize a deteriorating fetal heart rate or a delay in communicating concerning changes to the obstetrician can allow an oxygen-deprivation emergency to continue longer than necessary.
For a child who later develops HIE or another neurological injury, fetal monitor strips can become some of the most important evidence in determining whether there was an opportunity for earlier intervention.
Can Maternal Monitoring Reveal a Dangerous Abruption?
Placental abruption is also a maternal hemorrhage emergency. A patient’s blood pressure, heart rate, respiratory rate, oxygen saturation, urine output, and laboratory results can provide important information about blood loss and the development of hemodynamic instability. Significant bleeding can also produce abnormalities in coagulation tests and may lead to DIC.
One challenge is that visible vaginal bleeding may not accurately reflect the mother’s total blood loss. Concealed hemorrhage can continue behind the placenta while the mother becomes progressively unstable. Failing to recognize a rapidly accelerating heart rate, falling blood pressure, or other signs of hemorrhage can delay treatment of an increasingly dangerous condition.
Does a Placental Abruption Require an Emergency C-Section?
The appropriate method and timing of delivery depend on the condition of both the mother and fetus. According to the Merck Manual’s clinical guidance, prompt cesarean delivery is generally indicated when placental abruption is accompanied by maternal hemodynamic instability or a nonreassuring fetal heart rate pattern. At term, prompt delivery is generally indicated as well. Vaginal delivery may be considered when the mother is stable, the fetal heart rate is reassuring, and vaginal delivery is not otherwise contraindicated.
This distinction is important when evaluating a potential malpractice claim. The mere fact that a C-section was performed does not establish negligence, just as the fact that a vaginal delivery occurred does not necessarily establish malpractice. The critical issue is whether the delivery decision was appropriate for the conditions that existed at the time.
Can Delaying an Emergency C-Section Cause a Birth Injury?
When an abruption significantly reduces placental function, the fetus may experience acute oxygen deprivation. If the medical team fails to respond to persistent fetal distress or maternal instability, the period of compromised oxygenation can continue. Severe or prolonged fetal oxygen deprivation can cause HIE and other neurological injuries. The child may develop cerebral palsy, developmental delays, cognitive impairment, seizure disorders, or other permanent disabilities.
Establishing that a delayed C-section caused the injury requires medical evidence addressing timing and causation. Experts may need to determine when the fetus first showed signs of compromise and whether earlier delivery probably would have prevented or reduced the injury.
What If the Operating Room or Staff Are Not Ready?
Emergency obstetrical care requires coordination among physicians, nurses, anesthesiology personnel, surgical staff, and neonatal providers. Once a decision is made that an emergency C-section is necessary, unnecessary delays in preparing the operating room, obtaining anesthesia, assembling the surgical team, or mobilizing neonatal personnel may become relevant to a malpractice case.
The mere existence of a delay is not enough to establish negligence. The reason for the delay, the severity of the emergency, available hospital resources, and what could reasonably have been accomplished under the circumstances must all be examined. In a serious birth injury case, hospital records can help establish when the emergency was recognized and how long it took to proceed from that recognition to delivery.
Are High-Risk Mothers Supposed to Be Monitored More Closely?
Healthcare providers should recognize circumstances that increase the risk of placental abruption and manage patients accordingly. Risk factors include hypertension and preeclampsia, smoking, cocaine use, previous placental abruption, and significant abdominal trauma. That does not mean every patient with one of these risk factors will develop an abruption or require the same treatment. But risk factors can be important when evaluating whether appropriate prenatal counseling, monitoring, and follow-up were provided. For example, a patient with a prior abruption may need to understand what symptoms require immediate evaluation. Failing to communicate important warning signs or failing to appropriately address poorly controlled hypertension or preeclampsia may warrant investigation when an abruption later occurs.
Blood Transfusions and Treatment of Maternal Hemorrhage
Maternal stabilization is a critical component of treating a severe abruption. When significant blood loss occurs, healthcare providers may need to administer intravenous fluids and blood products while addressing the underlying obstetrical emergency. Severe abruption can be complicated by shock or DIC, requiring aggressive replacement of blood and blood products.
A delay in recognizing hemorrhage or arranging appropriate blood products can place the mother’s life at risk and may also threaten the baby’s survival. Medical records concerning vital signs, laboratory results, blood-bank communications, intravenous fluids, transfusions, and the timing of interventions can therefore be important in evaluating whether maternal hemorrhage was appropriately managed.
What Happens When the Baby Is Born After Severe Oxygen Deprivation?
A newborn delivered after a significant placental abruption may require immediate assessment and resuscitation. Depending on the baby’s condition, neonatal providers may need to provide respiratory support, cardiovascular stabilization, seizure management, and other intensive treatment. When HIE is suspected and the newborn meets appropriate clinical criteria, therapeutic hypothermia may be considered within the relevant treatment window. For a baby who is born with significant oxygen deprivation, the availability and preparedness of neonatal personnel can therefore become important issues.
How Can a Failure in Prenatal Care Contribute to an Abruption Injury?
Not every placental abruption can be prevented through prenatal care. However, prenatal care provides opportunities to identify and manage conditions associated with increased risk. Hypertension and preeclampsia are recognized risk factors. A provider who fails to appropriately evaluate elevated blood pressure, recognize worsening preeclampsia, or respond to other significant maternal warning signs may potentially contribute to an increased risk of serious complications. Whether that conduct amounts to malpractice requires a case-specific medical review. Experts may examine prenatal records, blood pressure readings, laboratory testing, medications, communication with the patient, and subsequent events.
How Is a Placental Abruption Birth Injury Case Investigated?
These cases often require reconstruction of the entire pregnancy and delivery timeline. Relevant evidence may include prenatal records, maternal vital signs, blood pressure measurements, fetal heart rate tracings, ultrasound studies, laboratory results, medication records, nursing notes, physician notes, emergency department records, delivery records, anesthesia records, neonatal records, and NICU documentation.
Experts may evaluate when symptoms first appeared, when the medical team was notified, what fetal and maternal monitoring showed, when the abruption was recognized or should reasonably have been suspected, when delivery became necessary, and whether any delay contributed to the child’s injury.
Abruption can also be difficult to evaluate retrospectively because ultrasound can be normal even when an abruption is present. The absence of a definitive ultrasound finding therefore does not necessarily resolve whether providers should have recognized the clinical emergency from the overall evidence.
What Birth Injuries Can Result From a Placental Abruption?
When an abruption significantly compromises fetal oxygenation, the consequences can be severe. A child may suffer HIE, cerebral palsy, seizures, developmental delays, cognitive impairment, motor disabilities, or other permanent neurological conditions. In the most severe cases, the fetal or neonatal injury can be fatal. A serious neurological injury can also create lifelong medical and financial needs. Physical, occupational, and speech therapy, specialized equipment, medications, neurological care, educational support, attendant care, and other services may be required.
What Compensation May Be Available After a Preventable Birth Injury?
When negligent medical care causes a compensable birth injury, a claim may seek damages associated with the child’s current and future needs. Depending on the circumstances, those damages may include medical treatment, hospitalization, rehabilitation, therapy, medications, assistive technology, specialized educational services, home modifications, attendant care, and other future expenses. For a child with permanent disabilities, life-care planners and economists may be needed to evaluate the cost of lifelong care and future financial losses.
Why Is Early Investigation Important?
Placental abruption cases often depend on precise timing. The evidence may need to establish when the mother first reported symptoms, when fetal or maternal distress became apparent, when a physician was notified, when an abruption was suspected, when the C-section was ordered, and when the baby was delivered. Early investigation can help preserve medical records, fetal monitoring data, communications, and other evidence needed to reconstruct those events. It can also help determine whether the case involves an isolated medical decision or a series of failures involving prenatal care, diagnosis, monitoring, communication, emergency surgery, maternal resuscitation, or neonatal treatment.
Contact Kalfayan Merjanian, LLP
Placental abruption can place both mother and baby in immediate danger. When warning signs are overlooked, fetal or maternal distress is not properly monitored, an emergency C-section is delayed, or severe hemorrhage and neonatal complications are not appropriately treated, the consequences can be devastating. Not every abruption is preventable, but when negligent medical care contributes to a birth injury, families deserve a thorough investigation. Kalfayan Merjanian, LLP represents California families in complex birth injury malpractice cases and works with qualified medical experts to determine whether appropriate care was provided and whether earlier intervention could have changed the outcome. Contact Kalfayan Merjanian, LLP today to discuss your child’s injury and learn about your family’s legal options.
