OBG503 — Antenatal Care and Foetal Medicine: Lecture Note

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This is the complete lecture note for OBG503 Antenatal Care and Foetal Medicine. You can read it online below, open it in the full viewer, or download the PDF for offline study. It pairs with the course's video lectures, so you can read and watch together.

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la-NET | ONLINE LEARNING VIDEO PLATFORM FOR POST-SECONDARY & HIGHER INSTITUTION STUDENTS

la-NET | ONLINE LEARNING VIDEO PLATFORM FOR POST-SECONDARY & HIGHER INSTITUTION STUDENTS Course code: OBG 503 Course title: Antenatal Care and Foetal Medicine Course credit load: 2 Units Series 1: Foundations of Antenatal Care • Part 1.1: Concept and Forms of Antenatal Care o Sub Part 1.1.1: Definition and concept of antenatal care o Sub Part 1.1.2: Forms and models of antenatal care delivery o Sub Part 1.1.3: Goals and principles of quality antenatal care • Part 1.2: Protocol and Schedule of Antenatal Care o Sub Part 1.2.1: The booking visit o Sub Part 1.2.2: Schedule and content of follow-up visits o Sub Part 1.2.3: Risk assessment and referral pathways • Part 1.3: Antenatal Investigations o Sub Part 1.3.1: Routine booking investigations o Sub Part 1.3.2: Screening investigations across pregnancy o Sub Part 1.3.3: Investigations for specific risk factors • Part 1.4: Conducting Antenatal Care in Practice o Sub Part 1.4.1: Clinical skills for antenatal assessment o Sub Part 1.4.2: Health education and counselling in antenatal care o Sub Part 1.4.3: Quality antenatal care and pregnancy outcomes Introduction Picture a young woman attending her first antenatal visit, uncertain of what to expect and anxious about the months ahead. The quality of the care she receives from this very first contact, and at every visit that follows, will shape not only her experience of pregnancy but, in a very real sense, her chances and her baby's chances of a safe outcome. This Series lays the essential foundation for the whole of this course: what antenatal care is, how it is structured and delivered, the investigations woven through it, and, most practically, how to conduct it competently and compassionately in everyday clinical practice.

la-NET | ONLINE LEARNING VIDEO PLATFORM FOR POST-SECONDARY & HIGHER INSTITUTION STUDENTS The aim of this Series is to equip you with a thorough understanding of the concept, protocol, and investigations of antenatal care, and the practical skill to conduct it competently and deliver good pregnancy outcomes. We shall commence this Series by examining the concept and various forms of antenatal care. Next, we will consider the protocol and schedule of antenatal care, from the booking visit through to ongoing risk assessment. Following that, our attention turns to the investigations carried out during antenatal care, both routine and targeted. Finally, we will conclude by examining how to conduct antenatal care in practice, and how quality care translates into good pregnancy outcomes. Series Learning Outcomes Upon completing this Series, you should be able to: • SLO 1.1: define antenatal care and its concept, and describe the various forms of antenatal care, • SLO 1.2: list the components and describe the protocol and schedule of antenatal care, • SLO 1.3: discuss why various investigations are carried out on pregnant women during antenatal care, • SLO 1.4: describe investigations relevant to specific antenatal risk factors, • SLO 1.5: demonstrate how to conduct proper antenatal care, and • SLO 1.6: explain how quality antenatal care leads to good pregnancy outcomes. 1.1 Concept and Forms of Antenatal Care 1.1.1 Definition and concept of antenatal care Antenatal care (ANC) is defined as the systematic supervision, examination, and advice given to a woman from the confirmation of pregnancy until the onset of labour, provided by a skilled health worker, with the overarching purpose of ensuring the best possible health outcome for both mother and baby throughout this period. It is built on the principle that pregnancy, while a normal physiological process for most women, carries an inherent and sometimes unpredictable risk of complications, and that regular, structured contact with a skilled provider allows these complications to be anticipated, detected early, and managed promptly, often long before they become clinically obvious to the woman herself. The concept of antenatal care has evolved considerably over the past century, moving away from a purely risk-screening model, in which the primary aim was to identify women who might develop complications, towards a more holistic model that also emphasises health promotion,

la-NET | ONLINE LEARNING VIDEO PLATFORM FOR POST-SECONDARY & HIGHER INSTITUTION STUDENTS psychosocial support, birth preparedness, and genuine partnership between the woman and her care providers. This shift reflects a growing recognition that good pregnancy outcomes depend not only on the early detection of pathology, but equally on empowering women with the knowledge, confidence, and support they need to navigate pregnancy, labour, and the early postnatal period safely and positively. Fill in the blank: Antenatal care is provided from confirmation of pregnancy until the onset of ________. The modern concept of antenatal care emphasises health promotion and psychosocial ________ alongside risk screening. 1.1.2 Forms and models of antenatal care delivery Antenatal care may be delivered through several different models, the choice of which depends on local resources, staffing patterns, and the risk profile of the population served. Midwife-led care, in which a midwife provides the majority of routine care for low-risk women with obstetric input reserved for identified complications, has become increasingly favoured in many settings, supported by strong evidence that it offers comparable safety to consultant-led care for uncomplicated pregnancies, alongside generally higher levels of maternal satisfaction and continuity of the caregiver relationship throughout pregnancy. Shared or team-based care (typically dividing responsibility between a midwife, general practitioner, and obstetrician according to identified risk) and consultant-led care (reserved for pregnancies with significant identified risk factors requiring specialist obstetric oversight throughout) represent the other principal models in widespread use. Group antenatal care, in which several women at a similar gestational age attend structured sessions together combining clinical assessment with peer support and shared health education, is an increasingly adopted innovation, particularly valuable in resource-constrained settings where it can improve both efficiency and the quality of health education delivered. Fill in the blank: Midwife-led care is generally favoured for ________-risk women, with obstetric input reserved for identified complications. Group antenatal care combines clinical assessment with peer support and shared health ________. 1.1.3 Goals and principles of quality antenatal care The core goals of antenatal care are to confirm and date the pregnancy accurately, monitor the wellbeing of both mother and fetus throughout gestation, identify and appropriately manage risk factors and emerging complications, prepare the woman and her family practically and psychologically for childbirth and early parenthood, and provide consistent, evidence-based health education covering nutrition, danger signs, and birth preparedness. Together, these goals form an integrated package of care rather than a series of isolated tasks performed at each visit. Quality antenatal care is further defined by the manner in which it is delivered, not merely its content: it should be respectful, individualised to the woman's circumstances and preferences, delivered by an appropriately skilled and adequately resourced provider, and free from unnecessary delay or discrimination. The World Health Organization has increasingly

la-NET | ONLINE LEARNING VIDEO PLATFORM FOR POST-SECONDARY & HIGHER INSTITUTION STUDENTS emphasised this dimension of quality, recognising that a technically comprehensive antenatal programme delivered in a disrespectful, rushed, or inaccessible manner will ultimately fail to achieve its intended benefits, regardless of how well its clinical protocols are designed on paper. Fill in the blank: The core goals of antenatal care include confirming and dating the pregnancy and monitoring the wellbeing of both mother and ________. Quality antenatal care should be respectful, individualised, and free from unnecessary delay or ________. Figure 1.1: Comparison of the principal models of antenatal care delivery. Pilot questions 1.1 1. Define antenatal care and explain its underlying rationale. (Linked to SLO 1.1) 2. Explain how the concept of antenatal care has evolved over time. (Linked to SLO 1.1) 3. Compare midwife-led and consultant-led models of antenatal care. (Linked to SLO 1.1) 4. Describe the structure and advantages of group antenatal care. (Linked to SLO 1.1) 5. Describe the core goals and principles of quality antenatal care. (Linked to SLO 1.1) 1.2 Protocol and Schedule of Antenatal Care 1.2.1 The booking visit

la-NET | ONLINE LEARNING VIDEO PLATFORM FOR POST-SECONDARY & HIGHER INSTITUTION STUDENTS The booking visit is the first, most comprehensive antenatal encounter, ideally taking place before 12 weeks of gestation to allow adequate time for early screening, risk assessment, and planning of the remainder of antenatal care. It establishes a detailed baseline through structured history taking (covering medical, surgical, obstetric, family, and social history), general and, where indicated, focused examination, and a panel of initial investigations, all directed towards accurately dating the pregnancy and identifying any factor that will influence the planned model and intensity of subsequent care. A central outcome of the booking visit is risk stratification, determining whether the woman is suitable for routine, midwife-led antenatal care or requires referral for shared or consultant-led care because of an identified medical, obstetric, or social risk factor. This early categorisation is not fixed, however, as risk status may change at any point during pregnancy, and every subsequent antenatal contact should include ongoing reassessment rather than treating the booking visit's initial categorisation as permanent for the remainder of the pregnancy. Fill in the blank: The

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