MBBS · Obstetrics and Gynaecology

Hypertensive disorders of pregnancy

Read the topic background here, then explore the labeled visual and structured learning explanations on this page.

Read explanation on this page ↓ See diagram ↓
Read here · Related subject background

Hypertensive disease of pregnancy — on-site reading

This reference extract addresses Hypertensive disease of pregnancy, a related subject. It does not cover every part of Hypertensive disorders of pregnancy.. The article introduction is reproduced here, so you do not need to leave MedAtlas to read it. It may not match the latest official medical guidance.

Hypertensive disease of pregnancy, also known as maternal hypertensive disorder, is a group of high blood pressure disorders that include preeclampsia, preeclampsia superimposed on chronic hypertension, gestational hypertension, and chronic hypertension.
Maternal hypertensive disorders occurred in about 20.7 million women in 2013. About 10% of pregnancies globally are complicated by hypertensive diseases. In the United States, hypertensive disease of pregnancy affects about 8% to 13% of pregnancies. Rates have increased in the developing world. They resulted in 29,000 deaths in 2013, down from 37,000 deaths in 1990. They are one of the three major causes of death in pregnancy (16%) along with post partum bleeding (13%) and puerperal infections (2%).
Hypertensive disorders during pregnancy, such as gestational hypertension, preeclampsia, and eclampsia, are a major contributor to maternal and fetal illness and death on a worldwide scale. Around 5-10% of pregnancies are affected by these conditions, with preeclampsia being responsible for up to 14% of maternal deaths globally. The effects of HDP are significant, but there is still a limited understanding of its root causes. Studies show an interconnection of genetic, immunological, and environmental elements. Accurately pinpointing particular risk factors has stifled researchers because of the varied nature of Hypertensive disorders of pregnancy. All types of HDP can be caused by a variety of factors, as mentioned above, and can occur in irregular manners.

How this connects to Obstetrics and Gynaecology

Reproductive medicine integrates anatomy, gonadal and pituitary endocrine signaling, tissue responses and age- or gestation-dependent physiology. Pregnancy adds placental circulation and changing maternal reference ranges, so outcomes and laboratory results must be interpreted in the correct developmental context.

Text credit: Wikipedia contributors, “Hypertensive disease of pregnancy”, original article · authors & revision history · CC BY-SA 4.0. Unmodified opening extract, accessed 24 September 2026. This Wikipedia-derived section is provided under CC BY-SA 4.0; the independent MedAtlas notes and design are separate works.

On-site diagram

Hypertensive disorders of pregnancy · visual study map

Scalable vector illustration. Labeled conceptual map, not a precise anatomical, histological or diagnostic image.
TOPIC LEARNING MAP · NOT AN ANATOMICAL PLATE01 · BackgroundHypertensive disease of pregnancy, alsoknown as maternal hypertensive disorder,is a group of high blood…02 · Main conceptMaternal hypertensive disorders occurredin about 20.7 million women in 2013.03 · Related processAbout 10% of pregnancies globally arecomplicated by hypertensive diseases.04 · Study connectionIn the United States, hypertensivedisease of pregnancy affects about 8% to13% of pregnancies.Hypertensive disorders of pregnancyRead the full text below the visual · all reading is on this website

The wording in this learning map is adapted from the attributed Wikipedia background section below (CC BY-SA 4.0).

Study foundation 01

What the underlying subject studies

Obstetrics and gynaecology integrate reproductive anatomy, hormonal physiology, pregnancy adaptation and conditions affecting the reproductive system. Gestational age and the distinction between maternal, placental and fetal compartments are fundamental in pregnancy topics.

Study foundation 02

How mechanisms and evidence connect

The hypothalamic–pituitary–ovarian axis and endometrial changes explain menstrual and many reproductive processes. Pregnancy requires interpreting tests and symptoms in a time-dependent physiological context.

Study foundation 03

How to develop a sound explanation

Organize each topic as normal structure or cycle, mechanism of change, common presentations and principles of safe assessment. Care decisions require current obstetric guidance, patient preferences and specialist oversight.

References and verification (optional)

All reading material on this page appears above. The links below are for checking the primary syllabus, research or source attribution, not requirements for opening this lesson.

NMC official CBME Curriculum 2024 and current regulations index ↗

Find research on Hypertensive disorders of pregnancy ↗