Why do I have period with no bleeding?

The likelihood of pregnancy from precum alone is generally considered low. If you're concerned about the possibility of pregnancy, you may want to consider taking contraceptives.These pills are most effective when taken as soon as possible after unprotected intercourse, preferably within the first 24-72 hours

Implantation bleeding is a light discharge that is caused when a fertilized egg attaches itself to the wall of the uterus. It usually happens 6-12 days after ovulation and it can be confused with a light period. Nevertheless, noticeable blood loss or very strong pain may indicate a more severe problem. If you have any concern, please visit a gynecologist for a thorough examination.
 

MISSING periods for a few days is common.. Test results negative means no pregnancy.. Stress, weight changes, and hormonal issues can cause missed periods.. Consult a doctor if you miss periods for 2-3 months...

Blighted ovum, which is also called the synonym "anembryonic pregnancy," is a situation where a fertilized egg is implanted in the uterus, but the embryo does not develop. I understand your worries about having two blighted ovums one after the other were scary. The most important thing is to consult your doctor, who knows the potential causes and comes up with the possible solutions that allow you to have a healthy pregnancy in the future. You could have further examinations which are done to help decide if there is an underlying factor that is causing this to happen multiple times. 

It is possible to prevent pregnancy by taking emergency contraception pills after having unprotected sex. These pills stop or delay the release of an egg from the ovary. However, they do not work all the time. This means that you can still get pregnant. if you have any symptoms such as unusual bleeding or missed period, it is advisable to take a pregnancy test just to be sure. 

This indicates that both of your fallopian tubes are open and functioning properly. This is a positive result as it suggests that there are no blockages or obstructions in your fallopian tubes that could interfere with fertility or conception. It increases the chances of successful natural conception and may be reassuring if you are trying to conceive.

Abnormal bleeding may result from hormonal imbalance, uterine fibroids, cervical/ endometrial cancer or pregnancy complications. The underlying cause should be identified by a gynecologist to ensure timely treatment.

You might have premensstrual symptoms nothing to worry about.But if you are worried, I suggest that you visit a gynecologist for an evaluation and diagnosis.