Metformin has been generally considered safe to be taken during pregnancy and is known to reduce the risk of gestational diabetes and even type 2 diabetes later in life.
How Metformin works for PCOS and fertility
Is Miscarriage More Common for Women with PCOS? - PERLA Health
Continuing metformin throughout pregnancy in women with polycystic
Metformin for PCOS (Benefits and Side Effects) - Diabetes Strong
Pros and Cons of Metformin for PCOS
PCOS & Pregnancy Complications: What should be done?
When to Stop Metformin During PCOS Pregnancy
PCOS Management with Metformin: Benefits and Strategies – Bellabeat
What Is Polycystic Ovary Syndrome (PCOS)?
When to Stop Metformin During PCOS Pregnancy
PCOS Nutrition Center - This one is a controversial topic
Paternal Use of Metformin Linked to Increased Birth Defects
What has Metformin done for you?? - PCOS and TTC, Forums