Ay, congrats sa malapit nang due date mo! Honestly, yan ay something you really need to ask your OB about kasi bawat pregnancy is different at may specific reasons kung bakit mag-prescribe or hindi sila ng primrose at what dosage, a few of us mums tried it at different weeks based sa recommendation ng doctor namin, so definitely don't start without checking with yours first. Better safe than sorry lalo na kayo lang dalawa, 'di ba? Let me know kung ano sabi ng doctor mo!