When l was in my 20's l used to having 4 days period, now l only have oneday or 2 days

I am a 32 years old woman. When l was in my 20's l used to having 4 days period, now l only have oneday or 2 days. L have a. 5 years old girl, l am worried that l am about to hit menopause. L want to have at list 3 more children pls what do l do. o less l forget to mention that since my 32 year old , l only used plain b 2 times in my life. What do l do