Headache everyday

Hello mga mamsh! I'm more than 7months pregnant and everyday na masakit ulo ko, ika 7days ko na ata to. Every morning nasakit till lunch time. Di gagaan pakiramdam ko if hindi ko iinuman ng paracetamol. Ayoko naman na magtagal pa to. Bakit kaya ganito? Any experience like mine? Will consult my ob regarding this. Just wanna know if may same experience ba ko dito. Thanks.