menstrual cycles do vary slightly from month to month & changes in the timing or length of periods is due to stress, hormonal imbalances, or other health conditions. There is nothing to worry about, but if you experience persistent changes in your menstrual cycle consistently early or irregular periods it's better to talk to a gynec.

A TPHA positive re­sult at birth signifies potential syphilis infection in the­ mother. This bacterial infection ofte­n lacks noticeable symptoms, though rashes, fe­vers, and swollen lymph nodes may occur. If untre­ated, syphilis risks harming the baby, leading to se­vere complications. Howeve­r, antibiotic treatment can effe­ctively cure both mother and child. Se­eking prompt medical attention is crucial for prope­r diagnosis and care.

The first thing you should do is to take a test. Should your test result as positive, arrange for an appointment with an obstetrician/gynecologist (OB/GYN) promptly. If the test result is negative and you see that your period of menstruation still has not started by the end of a week, you should also visit a doctor to establish the cause of the delay.

there are SEVERAL reasons for delayed menstruation in teenage girls. Puberty timing varies widely. Hormonal imbalances can delay menstruation. Excessive exercise or underweight can impact menstrual cycles. Stress or medication can also delay periods Consult with a DOCTOR.. 

Since you characterized the symptoms, it could be possible that a STI has occurred. It is advisable to consult a gynecologist or urologist immediately and get tested so that the appropriate treatment can be administered on time.

The way you position your body can indeed affect how comfortable you are, yet it does not accurately reflect the baby's position in your womb. Babies move around and shift in the womb when they are looking for the most comfortable spots. At 23 weeks, they have enough space to assume various positions. If you have concerns about fetal positioning or notice something unusual, the best thing to do is to see a doctor. They have the know-how to come up with advice and they stand by you through all the tests. Just think, every pregnancy is different, and qualified health care is vital to the health of you and your baby.