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
Is any of this happening now?
Call 911
Seek emergency care for very heavy bleeding, fainting, severe unrelenting pain, breathing difficulty or any situation in which you feel acutely unsafe.
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
Is any of this happening?
Be seen today
Contact your maternity or procedure team urgently the same day if you develop:
Increasing or severe abdominal pain
Heavy or persistent vaginal bleeding
Clear fluid leaking from the vagina
Fever, chills or feeling significantly unwell
Regular tightening or contractions
3
Does any of this apply?
Book an appointment
Mention ongoing concerns at routine follow-up or contact the clinic during normal hours for advice.
The article also says
Mild cramps and light spotting that steadily improve are usually part of expected recovery.
Every sign above is quoted from the sofidex article on Chorionic villus sampling. If you are not sure, err upward — it is always reasonable to be checked.