First of all, you should undergo one blood test
for beta-HCG and TVS scan to confirm/ exclude product of conception at the earliest. Pinkish bloody discharge may indicate early sign of miscarriage
Here, you need to consult with your gynecologist after getting test reports for proper guidance and next line of management.
Try to avoid mental stress, take healthy diet with Vitamin & iron supplements
, maintain genital hygiene and take adequate bed rest.
Be well and take care.