Fast heartbeats can have various causes, including hormonal changes, stress, or other conditions. Regarding your menstrual cycle and trying to conceive, it's normal for it to take some time to conceive. If your're concerned you can check with your gynec and confirm, they might as well advise you further.

It is normal to be thinking about pregnancy when faced with a situation similar to this. The white mucous discharge during which you are going through might be a yeast infection one of the reasons for which is the pH imbalance of the vagina. The best advice in this situation is to have a pregnancy test to ensure yourself if you are pregnant or not, and maybe the second option you should take into account is emergency contraception if you are afraid of getting pregnant.

Talk to your gynecologist can perform an exam to determine if a miscarriage has occurred and can provide guidance on next steps.

After ectopic surgery you can try to conceive after 3 months 

Menstrual cycles are not only affected by pregnancy. There can be many reasons causing irregular periods including stress, weight changes, hormonal imbalance and even underlying medical conditions. It is advised that you seek a gynecologist's help to get a proper diagnosis and treatment.

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.