Answer:
<em>The correct option is 2) I will subtract 18 days from the length of my shortest cycle.</em>
Explanation:
In order to use the calendar method of birth control, one might know hot to calculate the beginning and end of the fertile period.
The beginning of the fertile period can be calculated by subtracting 18 days from the length of the shortest cycle. This will determine the first unsafe day.
To calculate the end day, subtract 11 from the longest cycle of the person. This will determine the last unsafe day for the month.
The average length of a cycle cannot be used, but the individual's own shortest and longest cycles have to be used for calculation.
Your weight, how much time you have, and how much do you want to lose per month
A. immune system
...........................................................................................
Hemoptysis is a finding in pulmonary contusion.
What is Hemoptysis?
Hemoptysis is a medical term used when small amounts of blood mixed with sputum (or more seriously, large amounts of bright red blood) brought up by a forceful cough from the lungs or the bronchial tubes. Hemoptysis is a finding in pulmonary contusion, bronchial injuries, open pneumothorax, and aortic disruption. Patients with a pulmonary contusion or bruised lungs experience dyspnea, hemoptysis, hypoxia, and possible chest wall abrasion or ecchymosis.
To learn more about Hemoptysis, click the given link
brainly.com/question/28007556
#SPJ4