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Warning-sign checks

Rh sensitization during pregnancy: when to get help

Go through these in order and stop at the first one that applies. If you are reading this for someone else, answer for them.

  1. 1

    Is any of this happening now?

    Call 911

    Call emergency services if a baby is difficult to wake, has severe breathing difficulty, becomes limp or unresponsive, or has a seizure.

    These symptoms can have several causes and need immediate assessment.

    Other emergency signs, for anyone
    • Someone who is struggling to breathe, gasping, choking, or cannot get words out
    • Someone who has chest pain, tightness or pressure lasting more than a few minutes
    • Someone who has sudden weakness or drooping on one side of the face or body, slurred speech, or sudden confusion
    • Someone who is unconscious, or cannot be woken
    • Someone who is bleeding heavily and it will not stop with firm pressure
    • Someone who has had a seizure that will not stop, or does not wake up afterwards
    • Someone who has lips or skin that look pale, blue, grey or blotchy
    • Someone who you believe has taken an overdose or swallowed something poisonous
  2. 2

    Is any of this happening?

    Be seen today

    Contact your maternity unit promptly if you are RhD negative and have vaginal bleeding, an abdominal injury, or a procedure involving the pregnancy.

    If you are not sensitized, preventive anti-D may be time-sensitive.

    Contact the maternity unit the same day if fetal movement is reduced or has changed from your baby's usual pattern.

    Do not wait for the next routine appointment.

    After birth, seek prompt medical assessment if your baby develops worsening yellow coloring, poor feeding, unusual sleepiness, increasing paleness, or fast breathing.

  3. 3

    Does any of this apply?

    Book an appointment

    If you have known Rh sensitization, attend planned blood tests and ultrasound appointments even when you feel well.

    Routine questions about antibody results, fetal RhD testing, or future pregnancy planning can usually be discussed at a scheduled prenatal or preconception appointment.

Every sign above is quoted from the sofidex article on Rh sensitization during pregnancy. If you are not sure, err upward — it is always reasonable to be checked.