Line progression

Nelly • 🐼 Nelly 🐼: IVF#1: 3 Failed FET.||IUI #1: MMC @ 9wks.💔|| IUI #2&3: Neg.|| IVF#2: Nov 2020; FET#4: 1/28/21-💕Born 9/21/21 ✨🍀✨💛✨🙏🏽✨🍍✨🙌🏽✨🌈✨

It’s meeeeee again! Can anyone shed any light on line progression? I thought for sure there would see some difference from 5DP and 6DP? And of course now I’m worried. 🙈😫🙏🏽 Any advice is greatly appreciated!!