Extreme tiredness in the second trimester: what to know

Some people regain energy after early pregnancy, while others remain tired. Sleep disruption, physical changes, stress, low iron, thyroid problems, infection and low mood can all contribute. Tiredness that returns after a period of improvement is worth mentioning, especially when it affects work, movement, eating or personal care. The symptom is not a diagnosis; a clinician may consider your history, examination and appropriate blood tests.

Use regular meals and fluids, include iron-containing foods if suitable for you, and take breaks before exhaustion becomes overwhelming. Gentle movement can help some people, but stop if you feel dizzy, breathless or unwell. Protect nighttime sleep and ask for help with lifting or household tasks. Keep an account of when fatigue appears and any palpitations, headaches, fever or mood changes to share at an appointment.

Seek urgent care for fainting, chest pain, severe breathlessness, confusion, heavy bleeding or severe abdominal pain. Arrange prompt advice for palpitations, persistent vomiting, fever, severe headache, vision changes, swelling that appears suddenly or exhaustion that is worsening and stops you managing basic needs. Do not wait for a routine visit if you feel acutely unwell.

Ask whether anemia or thyroid changes could be involved, whether your supplements are appropriate, how much activity is safe, and which changes in symptoms should trigger same-day advice.