You didn't mention the pregnancy test and also even if it is possitive, you need to see your gynecologist. They can ask for some tests and confirm about pregnancy or any other health conditions
 

Brownish discharge after the c-section could be a symptom of infection or endometriosis. Talk to your gynecologist she may conduct a pelvic exam to diagnose the root cause of the pain and to offer you appropriate treatment.

According to your symptoms, you are most likely having perimenopause. Women are told that menopause is only certain and official after 12 consecutive months without menstruating. It is suggested that you have a discussion with a gynecologist in regard to your symptoms and worries. They can make the decision for you whether an IUD will be suitable for you

There is no chance of getting pregnant from sperm touching your skin.

It is difficult to diagnose without performing physical examination. On the other hand, the lower abdominal pain and back pain are frequently the early symptoms of pregnancy. As you have had a missed pregnancy once, it is advisable that you make an appointment with your gynecologist for an evaluation. A test can be taken between 1 and 2 weeks after a missed period.

Feeling movements later in the day at 26 weeks can be normal. As your baby grows, you might notice more regular patterns of movement. However, if you're concerned about changes talk to your gynecologist

Missing periods can be caused by a variety of factors such as stress, changes in weight, or hormonal imbalances. Consult your gynecologist who can diagnose and treat the underlying condition.

Postinor 2 may cause a delay in your menstrual cycle but it is not a guaranteed method of contraception. Talk to your gynecologist for further tests to determine the cause of the delay and rule out any underlying medical conditions.

The delayed menstruation can be because of different reasons like stress, weight variation, hormonal issues, and thyroid disorders. Talk to a gynecologist to diagnose the core of the problem and also give the the treatment required. 

Without a physical examination, it is hard to really determine the reason. For this reason, you should be referred to a gynecologist who can perform a detailed check and can prescribe you medications

Yes it is possible. Sperms can live in the female reproductive system for 5 days at most, thus the use of contraceptives is essential to prevent unwanted pregnancy. You are advised to discuss your concerns and questions about sexual health with a gynecologist if you have any

It is quite usual to experience some discomfort during intercourse but prolonged pain should be checked out. Tightness and aching during intercourse could be a symptom of a medical problem such as vaginismus or a pelvic infection. I recommend you to visit to a gynecologist to get the right diagnosis and proper treatment.

Periods delay may happen due to reasons of stress, diet change, or irregular sleep patterns. If you have concern then go for a pregnancy test. I will propose you to go to a gynaecologist for the same. It is advisable to approach a specialist in case of any health condition and do not count on natural contraceptive methods since they are not fully reliable.

For medications need to understand your other health conditions. Please visit a gynecologist for proper treatment

Yes you are still protected if it is just 3 hours delayed but ensure that you take your birth control pills at the same time every day