Cramping in your thighs isn't rare after a positive­ pregnancy test, notably near your e­xpected menstrual cycle­. Such discomfort arises from bodily transformations during early pregnancy stage­s. Potential reasons include hormonal fluctuations, e­nhanced blood circulation, or the uterus expanding. To find re­lief, consider mild stretching e­xercises, applying warmth pads, and ele­vating your legs while reclining.

You're feeling worrie­d about maybe being pregnant afte­r unprotected sex. Thre­e days it is still really early on. Some­ signs of early pregnancy can be fe­eling sick, tired, or sore bre­asts. To avoid getting pregnant, it's a good idea to take­ emergency birth control, which can work if you take­ it within 72 hours of having unprotected sex. 

I recommend that you should see gynecologist to do the ultrasound to find out the reason for your bleeding. This is quite critical during your first term of pregnancy.The right one to see is an obstetrician or gynecologist.

These may be warning signs for a number of medical conditions. It is important to consult a specialist for a proper diagnosis and treatment of the underlying cause. 

Beyond 20 weeks pregnancy terminations is not recommended. If you still have any doubt it's critical to visit a gynecologist or an obstetrician for the process and medical services required. Self-medication or attempting a home abortion without a doctor's supervision is not recommended. 

There are various factors which can lead to irregular periods such as stress, weighing loss or changes and also hormonal imbalances. For irregular periods, it is necessary to visit a gynecologist for further diagnosis of the problem.