Fig. 2: Overview of gonadal development and potential periods of exposure to different pharmaceutical agents.
From: Can pharmaceutical use during pregnancy affect the reproductive health of the offspring?

(* Note that some non-steroidal anti-inflammatory drugs such as ibuprofen and diclofenac are not recommended after 20 weeks of pregnancy.) GCN—germ cell nest, PGCs—primordial germ cells, PTM cells—peritubular myoid cells, WPC—week(s) post-conception.