Bad Obstetric History (BOH) – Complete Guide

In medical terminology, BOH stands for “Bad Obstetric History.” It refers to a woman’s history of previous adverse outcomes during pregnancy, childbirth, or the postpartum period.

Bad obstetric history (BOH) is a term used to describe a woman’s past pregnancy experiences that were marked by complications or adverse outcomes. This includes various issues such as miscarriage, stillbirth and other adverse conditions.

By analyzing a woman’s BOH, medical professionals can develop individualized care plans, implement preventive strategies, and provide necessary interventions to optimize maternal and fetal well-being. This comprehensive approach aims to reduce the risks associated with previous obstetric difficulties, ensuring better outcomes in subsequent pregnancies.


Classification of BOH

Bad obstetric history (BOH) can be classified into different categories based on previous adverse pregnancy outcomes. 

These categories include recurrent miscarriage (two or more consecutive pregnancy losses), stillbirth (fetus loss after 20 weeks of pregnancy), preterm birth (delivery before 37 weeks of pregnancy), intrauterine growth restriction (low birth weight causes include poor fetal development), and complications of pregnancy (such as gestational diabetes, preeclampsia, etc.).

Classifying BOH helps healthcare providers identify risks, personalize care plans, and take preventive measures for subsequent pregnancies.

Causes BOH

A poor obstetric history (BOH) can have a variety of causes, and in many cases, the exact underlying cause cannot be identified. However, some common factors that may contribute to BOH include:

  1. Genetic factors: Genetic abnormalities in the mother or fetus may increase the risk of recurrent miscarriage, stillbirth, or other adverse pregnancy outcomes.
  2. Maternal age: Advanced maternal age (usually defined as age 35 or older) is associated with a higher risk of BOH, including stillbirth and chromosomal abnormalities in the fetus.
  3. Hormonal imbalance: An imbalance in hormones important to maintaining a healthy pregnancy, such as progesterone, can contribute to BOH.
  4. Uterine abnormalities: Structural abnormalities of the uterus, such as a ruptured uterine septum, fibroids, or scarring from previous surgery, can increase the risk of miscarriage or other pregnancy complications.
  5. Infection: Certain infections, including sexually transmitted infections, urinary tract infections, or infections of the reproductive organs, can cause BOH.
  6. Immunological factors: Disorders of the immune system, such as autoimmune diseases or antiphospholipid syndrome, can disrupt normal pregnancy processes and result in adverse outcomes.
  7. Lifestyle and environmental factors: Factors such as smoking, excessive alcohol consumption, drug abuse, poor nutrition, exposure to environmental toxins, and certain medications can contribute to BOH.

Treatment for bad obstetric history

Treatment of a bad obstetric history (BOH) depends on its underlying cause. Here are some of the common procedures used for treatment:

  • Endocrine causes: If endocrine imbalance is causing BOH, it is important to monitor the levels of prolactin, anti-thyroid antibodies and thyroid stimulating hormone (TSH) in the body.
  • Antibodies and infection: Certain antibodies may contribute to BOH. In such cases, a TORCH test is done to check for infection.
  • Karyotype Analysis: This treatment method is particularly helpful in cases of habitual miscarriage. Karyotype analysis involves evaluating the number and structure of chromosomes. It helps detect abnormalities and is usually conducted on both the parents and the aborted fetus.
  • Vitamin D supplementation: Taking vitamin D supplements may be beneficial for individuals with BOH.
  • Hypothyroidism Treatment: If hypothyroidism is identified as a cause, appropriate treatment should be administered.
  • Bromocriptine treatment: In cases where the use of bromocriptine is considered essential, it should be prescribed as part of the treatment for BOH.

Bad Obstetric History profile test

The Bad Obstetric History (BOH) panel test is a blood test specifically designed to identify the underlying cause of recurrent pregnancy loss in women of reproductive age. Antiphospholipid antibody syndrome (APAS) is recognized as one of the important contributors to BOH.

BOH profile test cost

The cost of a Bad Obstetric History (BOH) profile test can typically range from around 5,000 to 15,000 units of currency, with variations depending on the specific laboratory and geographic location.


In conclusion, treatment of a bad obstetric history (BOH) depends entirely on the underlying cause identified through a medical evaluation. Treatment approaches include monitoring hormone levels, performing the TORCH test to check for infection, performing karyotype analysis to detect chromosomal abnormalities, considering vitamin D supplementation, addressing hypothyroidism, and administering bromocriptine when necessary. may involve.

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