A normal menstrual cycle is considered to be 28 days long, give or take a few days on either side. Therefore, a 60 day menstrual cycle is not considered to be normal for a 30 year old.
no
The typical menstrual cycle in "text book" terms is considered to be anything between 21 to 32 day cycle. yes that's normal
Yes, a 45 day cycle is still considered normal. The average menstrual cycle is 28 days but everyone is different and as such a longer cycle is perfectly normal.
No you need to see your doctor.
Yes. Don't worry
Yes, it is perfectly normal for you to have a 40 day menstrual cycle. The typical menstrual cycle is 28 days but everyone is different so your cycles may be longer, also some cycles will be a few days longer or there can be reasons for delayed menstruation.
Yes, anywhere from a 28-32 is considered normal.
The typical menstrual cycle is 28 days, but everyone's cycles are different. A 20 day menstrual cycle is on the short side so if this is a regular thing or gets shorter then see your doctor, but otherwise don't worry.
Having a 60 day menstrual cycle can be "your normal", assuming you mean the entire cycle, not just the menstrating portion. To be sure, you should consult you OB/GYN.
The menstrual cycle starts with menstruation. The firswt day of your menstrual cycle is considered to be the first day of true bleeding during your menstrual phase.
A twenty six menstrual cycle is not abnormal if it is consistent. It is only a few days short of a the perfect cycle.
The first day of a womans menstrual cycle is also the first day of menstruation.