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.
Cureus A Review on the Use of Metformin in Pregnancy and Its
View of The Effect of Metformin on Pregnancy Outcome Among
PCOS (Polycystic Ovary Syndrome): Symptoms & Treatment
Metformin & PCOS
Frontiers Thyroid Status During Pregnancy in Women With
The Facts about metformin for PCOS — PCOS Living
PCOS and Pregnancy
View of The Effect of Metformin on Pregnancy Outcome Among
Effect of metformin on insulin levels in PCOS mothers in the third
Metformin and Pregnancy Outcomes: Evidence Gaps and Unanswered
How Metformin works for PCOS and fertility
Paternal Use of Metformin Linked to Increased Birth Defects
PCOS (Polycystic Ovary Syndrome) and Getting Pregnant
When to Stop Metformin During PCOS Pregnancy
Metformin During Pregnancy: Is It Safe to Take?