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Antenatal Care Objectives, Schedule, and Screening Tests

Introduction to Antenatal Care in Nigeria

Antenatal care (ANC) encompasses the medical, educational, and emotional support provided to a pregnant woman by skilled health personnel. In Nigeria, despite improvements, maternal and perinatal mortality rates remain a significant public health challenge. ANC serves as the primary gateway to safeguard both maternal and fetal well-being. By engaging women early in pregnancy, midwives can detect silent complications, monitor fetal growth, and prepare the mother for a safe childbirth and postpartum recovery. Community perception and cultural practices often influence when a pregnant woman first visits a health facility. Midwives must bridge this gap through respectful maternity care and community engagement, ensuring that orthodox care complements rather than alienates local traditions.

Core Objectives of Antenatal Care

The overarching goal of ANC is to promote positive pregnancy outcomes through targeted interventions. Midwives evaluate baseline health, screen for pre-existing conditions, and anticipate potential obstetric emergencies.

The ANC Visit Schedule and Focused Antenatal Care (FANC)

The World Health Organization recommends a minimum of eight contacts for antenatal care to reduce perinatal mortality and provide a positive pregnancy experience. Focused Antenatal Care (FANC) emphasizes quality over mere quantity of visits, ensuring that each contact delivers high-impact interventions.

  1. First Contact: Up to 12 weeks gestation for baseline investigations and dating.
  2. Second Contact: Between 20 and 24 weeks for anomaly scanning and growth monitoring.
  3. Third Contact: At 26 weeks for ongoing assessment.
  4. Fourth Contact: At 30 weeks to evaluate maternal adaptation.
  5. Fifth Contact: At 34 weeks for specialized birth planning.
  6. Sixth Contact: At 36 weeks for presentation and position checks.
  7. Seventh Contact: At 38 weeks for term evaluation.
  8. Eighth Contact: At 40 weeks for post-date monitoring.

Routine Screening Tests and Investigations

Routine investigations during early ANC establish a baseline and guide preventive treatment. Midwives order these tests systematically during the booking visit and repeat specific screenings later in gestation.

TestPurposeTiming
Hemoglobin / Packed Cell VolumeDetect maternal anemiaBooking and 28-32 weeks
Blood Group and RhesusIdentify ABO and Rhesus incompatibility riskBooking visit
UrinalysisScreen for protein, glucose, and infectionEvery visit
HIV / Syphilis / Hepatitis BPrevent mother-to-child transmissionBooking visit

Midwives must counsel clients before and after screening tests, ensuring informed consent, especially for serological tests.

Health Education and Preventive Interventions During ANC

Education transforms passive patients into active participants in their healthcare. Midwives use clinic waiting times and individual consultations to deliver vital information on nutrition, danger signs, and infant care.

Nutritional counseling emphasizes local, affordable foods rich in iron, folate, and calcium. Midwives distribute routine supplements including ferrous sulfate and folic acid. Preventive interventions also include insecticide-treated net utilization and immunizations against tetanus. Women learn to recognize danger signs such as severe headaches, blurring of vision, vaginal bleeding, and reduced fetal movements, knowing these symptoms require immediate reporting to the clinic.

Identifying At-Risk Pregnancies and Referral Pathways

While most pregnancies progress normally, some women present with risk factors requiring specialized medical management. Midwives perform continuous risk assessment at every visit. Conditions such as severe pre-eclampsia, multiple gestation, malpresentation at term, or previous caesarean section shift a woman from low-risk to high-risk status.

When complications exceed primary care capacity, the midwife initiates a structured referral. A successful referral requires clear documentation, a referral note detailing findings and interventions given, and communication with the receiving comprehensive care facility. Ensuring transport arrangements are in place prevents delays that contribute to maternal morbidity and mortality.

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