Is dark red bleeding with clots post-levonorgestrel withdrawal normal?

From the information given, it is highly unlikely you are pregnant. Though, it is better to see the gynecologist for more in-depth evaluation and advise

Sometime­s, an overgrowth of yeast occurs within the vagina. It cause­s itching, burning during urination, and unusual discharge. Avoid tight clothing and promptly change out of damp swimwear. Ove­r-the-counter creams or table­ts can help eliminate the­ excess yeast. Be­ sure to follow all usage instructions meticulously.

Letrozole is a drug that can cause your body to ovulate. Therefore, it is going to be easier for you to become pregnant. It is common practice to start taking it on days 3-7 of your period. You may still have sex on the 12th day of your cycle even if your period is usually regular for a long time. 

Your menstrual cycle may go through some changes chastely after being vaccinated. The vaccine is known to be able to modify the menstrual cycle at times, but it's no cause for anxiety. Over time, your periods will return to when they were on their own. Meanwhile, always be healthy, be hydrated, and get enough sleep. 

Not having periods when they are due, throwing up, being weary, sensitivity in the chest area, and frequent urination may indicate that someone is pregnant. Feeling like one is pregnant might also come from anxiety, hormonal imbalances, or other medical conditions. Make sure to use a pregnancy kit. 

Itching vagina with swelling and bleeding might be evidence of an infection or other medical problem. It is essential to go see a gynecologist for an accurate diagnosis and treatment. Do not scratch the area because doing so would lead to even more irritation and discomfort.