What are some flawless tips on handling pregnancy?

my sister is 7 wks & 2 days pregnant and i'm just asking these simple Q's.

1. is it too impulsive to have mood swings?
2. can she win lonley?
3. what kind of ache can she get?
4. when can you find out if its a boy or girl?
5. what considerate of foods can she eat?
6. how regularly do soon-to-be mothers eat?
7. DOES SHE NEED ALOT OF ATTENTION?
Answers:

I hear a silly romor about breast cancer?

1. is it too impulsive to have mood swings?
No
2. can she get hold of lonley?
yes, hormones are going crazy
3. what kind of ache can she get? at this point, not much, perchance headaces
4. when can you find out if its a boy or girl?
around 16 weeks at the ultrasound
5. what kind of foods can she guzzle?
anything, except NO alcohol, NO high mercury fish, wishy-washy tuna or salmon once a week if any, no herbal tea unless you know for sure it's OK. No raw anything including unprepared eggs.
6. how often do soon-to-be mothers devour?
a lot!! It's better to get through many small meal a day than 3 big meal.
7. DOES SHE NEED ALOT OF ATTENTION?
Yes, pregnant women have profusely of changes going on and can perceive a lot of emotion. Extra support from family and friends will support a lot.

Last month I have 2 periods within 1 month. Now this month I still havent had my interval what could it be?

usually the nausea starts first, the aches usually when you are heavily pregnant close to around 7 months. eat adjectives the time, weird food cravings. strong smells bring in some pregnant women violently under the weather, like coffee or meat cooking. I never feel lonely in certainty I felt fantastic at the miracle of natural life growing inside.