Hi,
during pregnancy the figure to watch is FT4. The FT4 should be maintained in the top 1/3 of the range.
You do need an increase in thryoid meds based on this panel.
MOnitoring for thyroid during pregnancy should be monthly. With adjustments made monthly to keep FT4 high normal.
It is normal during pregnancy to have to increase meds by 30 - 50%. This is important for your welbing and the baby's development.
However, you levels are not terrible. So it is not likely that the baby is harmed, just that you do need to increase.
I am hypothryoid and now have a beautiful 6 mo baby.
Most people that are on a optimum level of armour usually show close to or hyper tsh level. Free T4 should be at least mid normal range and free t3 should be high normal range.
Sounds like you need an increase....especially by looking at your numbers. :)