While I don't know the exact choices, if any, the most susceptible answer would be because the patient is going through a lot of stress, and on top of the patients unhealthy habits, is unable to handle the stress in a positive, or healthy way, so the patients body is reacting in the way it is. (This is my first answer on BRAINLY so please don't be upset.)
Answer:
Implantation is what leads an egg to pregnancy. If implantation doesn’t occur then, the fertilized egg comes out with period blood. After fertilization, the egg undergoes series of divisions called cleavage. The cells remain enveloped in the protective egg membrane. This membrane layer hardens after entry of sperm.
<em>hope this helps :)</em>
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Most caregivers should be able to work and understand a variety of health concerns and basic hygiene like; most common health problems, heart levels, fragile body parts, how to properly clean others, etc.
