Hello! My girlfriend is 17 and worried that she is...

?  Is it possible to get pregnant without sexual intercourse 
In order for pregnancy to occur, a full sexual relationship must be achieved, by inserting the man's penis into the woman's vagina and semen ejaculation into the vagina
? What is the treatment for late menstruation
Treatment of late menstrual cycle is done by taking Duphaston pills 10 mg twice daily for a week, with rest and relaxation while avoiding fatigue, psychological and mental rest and avoiding anxiety and stress, proper nutrition, drinking abundant amounts of water, and treatment of chronic diseases such as thyroid disorders
?  What are the tests required
Clinical examination by the obstetrician-gynecologist, and ultra sound on the uterus and ovaries, with a blood test to detect the presence of bacterial infections
? What are the causes of late menstruation

• Anxiety and stress
• Exhaustion, fatigue and exhaustion
• Stress
• Hormonal fluctuations
• Polycystic ovaries
• Uterine and pelvic infections
• Thyroid disorders