The human body is remarkable in its intricacies, especially during pregnancy. You've beautifully described the wonder of each trimester, akin to an intricate dance of cells creating life. The early rapid cell division is a remarkable process, a foundation-laying ballet, if you will, setting the scene for what's to come. And then, as you say, the later stages fine-tune and perfect this incredible masterpiece, down to the tiniest detail - a truly awe-inspiring natural process.
It's a wondrous journey, a testament to the amazing capabilities of the human body. Nature has masterfully orchestrated this dance of life, an amazing, intricate, and mesmerizing process.