One year old and pregnant!

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So my baby girl is my fourth and only girl. She just turned one and I’m pregnant again! So this will be 4 babies in 4 years, with 5 total children as my oldest is 9. I’m a little nervous. And I know I need a bigger vehicle. Does anyone have a suggestion? Passenger vans are hard to find and pretty expensive but I’m debating a passenger van or a suburban.