There's no chance of pregnancy if you didn't have an intercourse. Regarding periods check with a gynecologist.

Sysron NCR is not recommended in pregnancy. But since you took it only for 15 days, the impact on the fetus may be minimal. Inform your gynecologist about this medication and get regular prenatal care to monitor the health of the fetus.

You must take an appointment with an obstetrician or gynecologist as soon as possible, especially if you are experiencing lower abdomen pain and lower back pain during nights. These can be a sign of an ectopic pregnancy or miscarriage, get evaluated by a gynec asap.

Kindly check with a gynecologist in person.

Contraceptive pills can be taken within 72 hours (3 days) after unprotected sex to help prevent pregnancy. However, pills are not 100% effective, and the sooner they are taken, the more effective they are. Ypu can take a home pregnancy test or talk to a gynec.

Burning could be due to infections like yeast or bacterial. During Pap smear, the doctor will use a speculum to gently open the vagina and examine the cervix. They will then collect cells from your cervix using a small brush or spatula, and send to a lab for analysis. The Pap smear is used to screen for abnormal cells on the cervix, which can be a sign of cervical cancer or other issues.

Based on the information you have provided, the pills you took on the 13th and 15th of last month may have affected your menstrual cycle. Contraceptive pills contain high levels of hormones that can disrupt your menstrual cycle and cause irregular bleeding. If you are concerned about a possible pregnancy, you can take a home pregnancy test to confirm. But wait at least a week after a missed period to take the test for accurate results or visit a gynecologist.

The painful swelling or bone-like feeling above the pelvis could be an abscess, hernia, cyst, or a tumor. Kindly get it checked with a gynecologist.
Given that she has a history of loose motions, stomach ache, and vomiting, its possible that the swelling is related to a previous gastrointestinal infection or inflammation.
Moreover her diabetes and current high blood sugar levels may also be contributing to her symptoms and complicating her condition. 

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. 

Nipple discharge is caused by hormonal imbalances or medication side effects. While its not necessarily an indicator of pregnancy. And if you are taking contraceptive pills regularly and as directed, it's less likely that you are pregnant. Check with a gynecologist to confirm.

If you had active outbreak there are chances that the virus can be transmitted even if the blister was not fully developed. Avoid intercourse during outbreaks to reduce the risk of transmission. Communicate with your gynec about how to manage your outbreaks and reduce the risk of transmission to your partner.

Sometimes women do have irregular periods because of stress, hormonal imbalances, changes in weight, thyroid disorders, etc. It's important to consult a gynecologist to identify the cause of your irregular bleeding.

If you have taken your Diane 35 pills correctly and consistently as prescribed then chances of becoming pregnant are very low. But if you have missed any pills or taken them late, the risk of pregnancy increases. Just to be sure you can take a pregnancy test. 

Its not recommended for use during pregnancy as it can harm the developing fetus. Finasteride may cause abnormalities in the male genitalia of a male fetus if a woman is exposed to the medication during pregnancy. But the presence of finasteride in semen is likley to be low. Kindly consult a gynecologist asap.

Visit a gynecologist to evaluate the issue and get proper treatment. It coulb be an issue of PCOS. Heavy bleeding and prolonged periods may also be a sign of a more serious underlying condition like fibroids, etc.