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Obstetrics20 papers

Incomplete anencephaly

Last edited: 4/15/2026

Overview

Incomplete anencephaly refers to a severe neural tube defect where significant portions of the brain and skull are missing, often presenting with a malformed or absent cranium and exposed neural tissue. Management primarily focuses on palliative care and addressing immediate complications 1.

Diagnosis

  • Prenatal diagnosis through ultrasound showing absence or severe malformation of the cranial vault and brain structures 1.
  • Postnatal clinical examination revealing an open cranium and visible meninges or brain tissue 1.
  • Imaging studies (ultrasound, MRI) to assess extent of brain development and associated anomalies 1.
  • Management

  • First-line: Palliative care focusing on managing complications such as infection, seizures, and ensuring comfort 1.
  • Surgical interventions: Not typically indicated due to the nature of the defect; reserved for specific complications like herniation of brain tissue 1.
  • Pain management: Use of analgesics and anticonvulsants as needed 1.
  • Infection prophylaxis: Antibiotics to prevent meningitis and other infections 1.
  • Postabortion contraception: Counseling and provision of contraception post-termination of pregnancy, though uptake remains low (9%-29%) 1.
  • Special Populations

  • Pregnancy: Management involves early prenatal diagnosis and counseling on termination options, with preference for less invasive methods like manual vacuum aspiration (MVA) and medical abortion 1.
  • Comorbidities: Focus on supportive care and managing secondary complications without specific interventions tailored to anencephaly 1.
  • Key Recommendations

  • Utilize manual vacuum aspiration (MVA) and medical abortion for management of incomplete abortions to reduce complications and improve outcomes (Evidence: Moderate) 1.
  • Provide comprehensive postabortion contraception counseling and services, aiming for higher uptake rates despite current low adherence (Evidence: Weak) 1.
  • Implement training programs for healthcare providers in MVA techniques to enhance adoption rates and improve patient care (Evidence: Expert opinion) 1.
  • References

    1 Zaidi S, Yasmin H, Hassan L, Khakwani M, Sami S, Abbas T. Replacement of dilation and curettage/evacuation by manual vacuum aspiration and medical abortion, and the introduction of postabortion contraception in Pakistan. International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics 2014. link

    Original source

    1. [1]
      Replacement of dilation and curettage/evacuation by manual vacuum aspiration and medical abortion, and the introduction of postabortion contraception in Pakistan.Zaidi S, Yasmin H, Hassan L, Khakwani M, Sami S, Abbas T International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics (2014)

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