Which material is better for TKR knee replacement: cobalt chrome/titanium or ceramic?

You are going through a tough time with stress and sleeping troubles. Stress can interfere with sleep, and in some cases, it can even worsen illnesses such as asthma and anxiety. The most common cause of insomnia is stress. You can try relaxation techniques like deep breathing, gentle exercise, and avoiding caffeine or screens before bed. 

A negative pregnancy test means you're likely not pregnant. Stress can delay periods. Wait and test again in 1 week. If you're still concerned, see a doctor.

Ascites is a condition in which fluid builds up in your abdomen, leading to swelling. In this case, your body felt under pressure, which was the prime reason for both hypotension and anorexia. They can be triggers for periods. Therefore, it will be efficient for a doctor to see you first before discovering changes in your ascites and periods. 

It's quite natural for some mild spotting to occur after intercourse, especially towards the end of your cycle. The dark brown spotting you got could be some of the blood from earlier times coming out. It is nothing to worry about, and it sometimes occurs when your body is getting used to the birth control pill. It will probably pass away by itself in a little while. 

After delivery, periods will return usually within 6-12 weeks. Bleeding after delivery is normal. Breastfeeding can delay periods. It can also affect the amount of bleeding. POSTPARTUM DEPRESSION is a common issue. If you feel baby movements, see a doctor immediately.