Stress and losing more weight than is healthy can make menstruation irregular or cease temporarily.
You stop running by slowly slowing down the rate of your running. Or basically, you slow down until you stop.
If the sentence is: "Alex, stop running." Then the verb would be "stop."
No, vinegar will not stop your period. Your period is part of your menstrual cycle and a natural function of your body, you cannot stop your period with vinegar.
"The children were running to the bus stop." The verb phrase is "were running."
If your weight gets too low then your period will usually stop. If you exercise a lot, that too can stop your period.
stop
In this sentence, "were running" is the verb phrase, in the past continuous tense.
You can't stop your period just like that. You will need medication.
There is a tablet to postpone your period called Primolut N, but I do not think there is a pill to stop your period entirely.
Once your period starts it starts. No worries. It happens to every female who is growing up. The period will eventually stop on its own. You don't need to stop it. I wouldn't recommend trying to stop it either just stay calm and take care of the period. Eventually it'll stop.
Don't stop.
If you're already on your period then the pill may reduce the flow of your period but will not stop it. However if you're not on your period you can stop your period by taking the pill but it isn't advisable as a permanent thing.