Why Does My Period Last 8 Days or Longer?

It's good that you are taking steps to recognize things early. Dexamethasone is used to help a baby's lungs develop in case they are born prematurely. Premature means the baby is born before 37 weeks of pregnancy. You don't need to worry about the baby having problems with this medicine if they are not born until after 37 weeks.

It generally suggest to avoid traveling for at least one to two weeks after a miscarriage, especially if you had a surgical procedure or experienced complications. 

I advise you to visit a gynecologist for a diagnosis of your current health status. It is frequently due to a number of reasons, for instance hormonal imbalance, stress, or hidden medical problems. A gynecologist can do the thorough examination and give all the needed guidance
 

In women, increased LH in urine is expected during the menstruation period. LH is a hormone that assists in the release of eggs from the ovaries. Following the end of your monthly period, the LH levels might increase as a way of preparing for ovulation. There can be changes in the cervical mucus throughout the cycle. Having lotion-like discharge before getting the sticky one is typical. 

Give yourself time to heal and avoid activities that worsen the pain. Over the counter pain relief like also can help but take only as if prescribed by a doctor. Apply cold compress to reduce swelling.

Pregnancy is not possible. Bleeding could be a side effect of the emergency contraceptive pill.