Anyone on off rasa cramp sakit pinggang belakang. 4-6 weeks pregnant. Is it normal ?

Anyone ada rasa On off cramp sakit pinggang belakang in 1st trimester? Sumtime cucuk2 mcm nak period, dah 1 minggu rasa mcm ni. I 6 weeks,3 days pregnant. Anyone yg rasa mcm ni , but in the end baby success ? 🙏#backache#cramp