I was suppost to get my period today but I did not?

Ok I had slight cramps before school today, and unfortunately I don't have my period. I was suppose to come on today (according to my calendar on my iPhone) but last month when I got off my period it said 27 days starts your next period. Is that too early? I have had intercourse with my boyfriend 3 times last month on different days and we rely on the "pull out" method. No I'm not on birth control please help.

Texting internationally thru iphone?

If I'm texting internationally using iPhone to iphone. Do I have to be only in Wi-Fi to send imessage? Like I can't just be at the mall in the car driving etc?

Or will I still be charged.

Cameras stopped working for iPhone 4s iOS 7?

So a few hours ago for some reason both my front and rear camera stopped working. They worked earlier today and for a little while the back camera started working and then stopped again. How can I fix this? (Just got this phone, not dropped or cracked)

How to get all my info from my old iphone to my new iPhone?

I got a refurbished 5s. I've never gotten a new phone without going into the store. How can I get all my information back? I need my contacts, apps everything that I had on my old phone. I have my old phone but I've taken the SIM card out. I understand that you can use iCloud but my Wi-Fi is currently down. What else is useful that I could use?

Why Iphone 5 won't play horizontal anymore?

I used to be able to turn my phone to the side and view videos full screen on my iPhone 5. But lately it won't let me. It will continue playing vertically even if I turn the phone. I've been looking through my my settings all day. Can't figure out what's wrong. This all phones or just mine? How do I change it?

Brand New No contract Sprint IPhone 5?

So if buying a sim card for this phone what particular sim card would I need? Or do i get a regular sim card? Sprint wants 36 dollars for a sim any cheaper places to get one.

Radio broken in my BMW+want to play iphone songs?

I can't see the radio stations in my bmw because the lcd display lights are broken. I want to fix this. I also want to be able to play my iphone songs. There's currently no way to input my iphone in the car. Is there something I can buy that would allow me to do this? I don't know much about tech, is a car stereo what I need?