Periods don't always need to be regular. Irregular periods can occur for various reasons, even after sex and ejaculation. Bleeding three days after sex could be implantation bleeding, stress, hormonal imbalances, or even pregnancy. If you are nervous, you can take a pregnancy test. To help regulate your periods, stay healthy, eat well, and manage stress.

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.. 

Yes, you can get pregnant after your last menstrual period on 16 Jan if you had an intercourse on 8 Feb, the chances of which largely depend on the timing of the ovulation and menstrual cycle regularity. If you have any worries about pregnancy or reproductive health, then please see the gynecologist for an examination and tips.
 

In some cases, the concern could lead to delays in periods. Another reason for late periods might be pregnancy or hormonal changes. The symptoms of pregnancy include nausea, tiredness, and breast tenderness. On the one hand, you can do a home pregnancy test to confirm the pregnancy.

While normal white discharge is common in many women, but if it is heavy and with odour then there may be an underlying infection like yeast or bacterial vaginosis, which is a form of vaginal infection. It is essential that you see a gynecologist or an expert in sexually transmitted infections so that you can get the right diagnosis and treatment.

Your periods can ge­t delayed after se­x, particularly if bleeding lasts days. Stre­ss or hormones may cause this too. Protection lowe­rs pregnancy chances. Relax, e­at right, and rest well. if you still have no period in 1-2 we­eks then take a pregnancy te­st.

The chances of getting pregnant from oral sex are quite low, but it is not ruled out. The bleeding you may have had after taking the unwanted 72 pill could, indeed, be attributed to the pill itself affecting your menstrual cycle. This can cause spotting or irregular bleeding. Such a thing is not a sign of ovulation bleeding. You can experience a late or early period as well as any of the above. The important thing is to monitor the symptoms enough and give enough time. Recall the pill can throw off your cycle. If you are concerned, be patient, and take a pregnancy test to make sure. Avoid stressing out, because stress can also be why your periods are irregular.