Hi, I Am 6 Months Pregnant And I Use Raricap

Hi, I am 6 months pregnant and I use raricap combi tablets. Can i consume both the pink and brown color tablets at the same time? Doctor prescribed to take pink color one in the morning and brown color at night.? is there any specific purpose for this timing.? If I forget to consume pink color tablet in the morning, can I consume it along with the other tablet in the night or should i skip.?