Thank you all 4 your reply n advice, I will take care above mentioned tips.☺

Just be with her through this roller coaster ride! She will be fine. Also follow the Daily tips on the top right hand side of your APP home screen (bulb icon). Other than that, you will find The Ultimate Guide to Pregnancy articles (just type in search bar). You can learn about developments from Weeks 3-40 in these articles. there's another article on how to deal with morning sickness. (Again type in search bar)

Its normal.. skip oily food for a month or two n eat food in small quantities in every 2 hrs..

completely normal.. she may have this for quite some time so don't worry. just ensure she eats and drinks properly.

its normal during first trimester as deepti said so no worries but if its beyond that then u should consult ur doctor ..