Burping and fever are generally not directly linked, but they can sometimes occur together due to certain conditions. Burping is the release of stomach gas through the mouth, often caused by factors like eating habits. Fever, on the other hand, is an elevated body temperature usually caused by infections or illnesses. 

Having unprotected sex on the day of ovulation can increase the risk of pregnancy. Taking Plan B shortly after can help lower that risk, especially if taken within 72 hours. If you were already ovulating, the chance of pregnancy might be higher. Consult a gynecologist and consider taking a pregnancy test if your period is delayed.

There can still be a chance of pregnancy. While the risk might be lower due to the short duration and no ejaculation, there's no guaranteed safe time for unprotected sex. Take a test to confirm.

It carries an extremely low risk of HIV transmission. HIV doesn't survive well outside the body, and casual contact like this is unlikely to transmit the virus.

A small circular bald spot on the scalp after popping a pimple is not uncommon, but if the area is sensitive and hair is falling out, please see a dermatologist to rule out infection or other underlying conditions.

The result you provided, 2622.43 mlU/ml, indicates a positive pregnancy test. HCG levels vary among individuals and throughout the stages of pregnancy, but a level of 2622.43 mlU/ml is consistent with a positive pregnancy result, indicating that your wife is likely pregnant.

To maintain good sexual health, focus on a healthy lifestyle, including regular exercise, a balanced diet, and stress management. Try kegel exercises for better pelvic muscle control. Avoid smoking and excessive alcohol, stay hydrated, and prioritize emotional well being.

A "grey zone" in an HIV test means the result falls between positive and negative, indicating uncertainty. It could be due to early infection, test issues, or other factors. 

Retrograde ejaculation, where semen goes into the bladder instead of out, can occur without surgery, diabetes, or medication use. Possible causes include nerve damage, anatomical issues, certain substances, infections, or psychological factors. Please consult a doctor for a proper diagnosis.

The time braces take to correct an overbite varies depending on its severity and individual factors. For mild overbites, it may take about 12-18 months, while moderate to severe overbites may require 18-24 months or more.

You should seek immediate medical attention from a professional, orthopedist, or family doctor for an evaluation and diagnosis. Possible causes include muscle strain, injury, structural issues, or medical conditions. Avoid activities that worsen the pain.

The symptoms you're experiencing may be due to allergies or environmental factors. Allergies can trigger these symptoms. Treatment options may include over-the-counter antihistamines, avoiding allergens when possible and please consult your doctor for diagnosis.

Bone marrow therapy is not used to treat spinal cord injuries, including C5 incomplete injuries. Treatment for spinal cord injuries focuses on rehabilitation, physical therapy, and medical management to maximize function and improve quality of life.

If you're experiencing pain, redness, or swelling in your penis, it's important to see a doctor for evaluation and treatment. While waiting for the appointment, keep the area clean, avoid further irritation, and don't try to pop any bumps. Consider any recent changes in products you've used.

Stem cell therapy for hearing loss, including sensorineural hearing loss (SNHL), is still in the experimental phase and not widely available. To address SNHL, consult an audiologist or ear specialist for traditional treatments like hearing aids or cochlear implants.