There are 3 factors which are; temperature, pressure and concentration.
They decay. Anything that can grow will eventually start to decay over time. I hope this helps.
A- construct a hypothesis
Are there any choices in the question asked? if ever none. this are the possible answers.
- Ask when is her LMP (last menstrual period).
- Ask if she has or had a boyfriend and is practicing sex; (if yes), ask if they are using contraceptives.,then request for a Pregnancy test. (if no), ask she is in stress lately (stress contribute to delays in menstrual cycle).
- if the pregnancy test came back negative and no stress or problems involve, refer the patient to an OB - gynecologist to see if she has other problems with her reproductive system.
