The high number this morning is a "bounce" from going into lower numbers last night. There are two options. Some people will give the same dose for ONE cycle, sometimes called "shooting through the bounce" to help with the high numbers. You would do this just for this cycle then take the reduction on the evening shot. The other option is to take the reduction right away. The choice is yours and neither one is right nor wrong. However since the 2.5 units has taken Sweet Pea below reduction level it should be taken today. A bounce can take up to 3 days to clear so higher numbers are not unexpected