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In women, increased LH in urine is expected during the menstruation period. LH is a hormone that assists in the release of eggs from the ovaries. Following the end of your monthly period, the LH levels might increase as a way of preparing for ovulation. There can be changes in the cervical mucus throughout the cycle. Having lotion-like discharge before getting the sticky one is typical. 

After sex, it usually takes 1-2 weeks to tell if you’re pregnant but sometimes there are signs like nausea, tiredness, or changes in appetite which occur when a fertilized egg attaches itself to the wall of the womb. To make sure though, take a home pregnancy test; it’s easy and will give you an answer.

If you're unsure and concerned of pregnancy then it's important to consider getting tested or take a home pregnancy test. 

Sperm require specific conditions to survive and move effectively. In the anus, which is part of the digestive system, the environment is not suitable for sperm survival. 

These symptoms are usually caused by infections. Visit your gynec to get personalized advice and they will prescribe medications, such as antifungal or antibiotic creams or oral medications, to help resolve the vaginal infection.