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Spotting is a sign of threatened abortion
and the beta hcg
is decreased these are both negative signs.Please continue the treatment as advised by your doctor and do beta hcg every 2 days for next few days ;if it is increasing then no need to worry but if the beta hcg is decreasing or statig please consult your Gynaecologist.Get your ultrasound
done to detect the fetal heart beats at 7 weeks.