Once people experience puberty they are potentially be able to produce children.

Topic: Nowadays people get married and have children after the age of 30. Is it a positive or negative development? Give your opinion and examples based on your experience.

Once people experience puberty they are potentially be able to produce children. However, the body condition that allows us to have a baby is not the only factor which leads people to marry and finally have kids. A brief look at the history shows us that individuals decide on marrying when they could afford the living costs. As time passed, the living expenses increased decades by decades. Today, we live in a luxurious world and it is obvious that the marriage age has risen to over 30, and a s a consequence, people mostly have children in their 30s. This situation can bring both merits and demerits to the society, which are addressed in this essay.

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Once people experience puberty they are potentially be able to produce children

However, the body condition that allows us to have a baby is not the only factor which leads people consider when they decide to marry and finally have kids. A brief look at the history shows us that individuals decide ontomarryingmarry when they could afford the living costs. Because today we live in a luxuriousfinancially demanding world,and it is obvious that the marriage age has risen to over 30, and a s a consequence, people mostly have children in their 30s

Having children after 30 wouldis going to contribute to a big age gap between parents and children.

... like having an upgraded computer or a smart phone, because such issues were not existeddid not exist at his time.

On the other hand, older parents would beare more mature and able to handle their children's difficulties more wisely.

She probably pays too much attention to kids' looks, whereas,(don't need a comma here) the older mother sees beyond the image of her child.

My textbook suggests that in an IELTS essay, the word "kids" better be replaced with "children". I also use use the word "offsprings" to avoid repeating "children".

SheThe older motherwouldis likely to have an overlook at 18 years later when her kid/child is going to entre towill have entered a college.

In conclusion, although having children after 30 intensifies the negative effects of the age gap between parents and youngsters, it would havehas its own advantages.

I think that for better parenting, people need to be mature enough and financially independent .
Your initial wording was grammatically correct, but the sentence flows more smoothly in this version.

Good luck!