Reproductive age in women starts when their
a) menstruation starts
b) breasts start developing
c) body weight increasing.
d) height increases.

Options

A. menstruation starts
B. breasts start developing.
C. body weight increasing.
D. height increases.

Answer

To determine when the reproductive age in women starts, we need to analyze the options provided in the question:

1. **Understanding Reproductive Age**: Reproductive age refers to the period in a woman's life when she is biologically capable of reproduction. This is closely linked to the development of reproductive organs and the onset of menstruation.

2. **Evaluating the Options**:
- **Option a: Menstruation starts**: This is the correct answer. The onset of menstruation, also known as menarche, indicates that the reproductive organs have matured and that ovulation occurs, making reproduction possible.
- **Option b: Breasts start developing**: While breast development is a sign of puberty and the emergence of secondary sexual characteristics, it does not directly indicate that a woman is capable of reproduction.
- **Option c: Body weight increasing**: Body weight can fluctuate for various reasons and does not signify the onset of reproductive capability.
- **Option d: Height increases**: Height growth is a gradual process and does not correlate with the onset of reproductive age.

3. **Conclusion**: The reproductive age in women starts when menstruation begins, as this signifies that the reproductive system is functioning and ovulation is occurring.

**Final Answer**: a) menstruation starts

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