Was it normal in the 1990's for people over the age of 40 to have babies at that time?

I noticed that most people I went to school with have parents over the age of early 70's. Last time I over heard my co worker telling me how she will turn 32 and her mom will be 73 and how both share the same birthday. I see how times have changed I can not understand why doctors say 40 year olds no longer should be having kids. I made Emmy research back in the following years babies born in 1990-1997 parents had them when they were in their early 40's. It was normal for a 43 year old to have a baby in 1992. I wonder how many people here are my age and have parents who are over the age of 70.

Was it normal in the 1990's for people over the age of 40 to have babies at that time?
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