Answer:true
Explanation:
You have to be responsible for yourself and keep up your daily routine
The first stage (dialation)
Cerebrospinal fluid (CSF), clear, colourless liquid that fills and surrounds the brain and the spinal cord and provides a mechanical barrier against shock. Formed primarily in the ventricles of the brain, the cerebrospinal fluid supports the brain and provides lubrication between surrounding bones and the brain and spinal cord. When an individual suffers a head injury, the fluid acts as a cushion, dulling the force by distributing its impact. The fluid helps to maintain pressure within the cranium at a constant level.
https://www.britannica.com/science/cerebrospinal-fluid
Brevity is a form of short hand thus would save much time and is needed in the medical field as it needs the use of only few words and would mean short and precise. Hope this answer would be of help.
If you use it perfectly, the patch is 99% effective. But people aren't perfect, and it can be easy to make a mistake. so in reality, the patch is about 91% effective. That means about 9 out of 100 patch users get pregnant each year.