A 13-year-old girl starts menstruating but has irregular cycles for the first year. Which underlying factor most likely contributes to this pattern according to reproductive maturity?
Immature hormonal regulation
In early adolescence, the hormonal (endocrine) regulation controlling the menstrual cycle is still maturing, which commonly causes irregular cycles in the first year after menarche. Hence, the correct answer is Immature hormonal regulation.
Similar Questions
Which connective tissue smoothens bone surfaces at joints and is present in the ear and trachea?
What are the main components of nervous tissue?
Which of the following methods ensures prevention of transmission of sexually transmitted diseases during sexual intercourse?
In a reflex arc, which of the following represents the correct path of the impulse?
A rare genetic disorder causes the hard matrix of a certain connective tissue to become less rigid, leading to frequent bone fractures. What is the most likely explanation for this observation?
Muscular tissue is responsible for all movement in our body and consists of elongated cells which are also commonly referred to as __________.
When a ciliary muscles contracts, the eye lens becomes __________.
Which chamber of the human heart pumps blood directly to the lungs for oxygenation?
What is a unique function of the forebrain compared to other brain regions?
What is the process in which organisms take in oxygen and use it to break down food for cellular activities called?
Important Questions from Anatomy and Physiology
The contractile protein in skeletal muscle is:
The brain region which is responsible for coordination of voluntary muscular movement posture and balance
One cardiac cycle completes in _____
The amount of air passing into and out of the lungs during each cycle of breathing is referred as:
Which structures act as wires of a telephone in the body?
