Worried about too many follicles

Sy
Hey everyone. So we just finished our first round of clomid (50 mg days 3-8). On cd 9 I had 4 follies sized: 14, 14, 14, 18. Opks are showing that I'll probably O tomorrow (cd 15)! My concern is that because the follicles had 6 days to grow, that they might ALL be mature and rupture!! We are just doing timed intercourse (no <a href="https://glowing.com/glow-fertility-program">IUI</a>). Has anyone experienced anything like this?! We want a healthy baby, but not 4 if we could help it!!