Caloric intake for preggers

I personally think you need more than 1400 cals. I'd consult your doctor.

Talk to your doctor, and set your calories at "maintenance" for now. You need to be sure you're getting adequate nutrition for that baby.

I watched on a T.V show called embarrassing bodies and it said you don't need to change your eating until last couple of weeks and then you only need to increase to 200 calories
Which is just 2 bananas

This is not correct.

Late pregnancy requires an increased intake of 300-500 calories per day for the last 3 months. 2nd trimester requires an increased intake of closer to 200-300 calories per day. Both of these are ABOVE pre-baby TDEE (or maintenance).

OP PLEASE do not limit your calorie intake too much right now. Your baby needs enough nutrients and calories to grow and develop properly. The number on the scale should be going up. You need to come to terms with this early, as it's going to go up faster later. Not gaining weight should not be a goal right now unless your doctor advises it. Most women gain between 25 and 35 lbs during a healthy pregnancy.

Please eat more! You and your baby both need it. Whatever you don't take in, all the reserves go to the baby, leaving you weaker than before.

Pregosaurus gave you solid advice.

The health and development of your baby should be the priority. Talk to your doctor about your dietary needs.

Congrats on the pregnancy

I was about 200 pounds at around 20 weeks when I was diagnosed with gestational diabetes. My dietitian wanted me eating no fewer than 2000 calories a day and gaining at least .5 lb a week. I was never able to gain that quickly because I was eating so much better but I was consistantly between 2000 - 2500 calories a day and gave birth to a healthy 7 lb 10 oz baby.

As a Doula, I can tell you that you should still be thinking about calories - not too little, not too much.

First trimester - eat at your maintenance amount.
Second - maintenance +200
Third - maintenance +300

It's so important to eat enough and to also not "let yourself go" and eat buckets of icecream. Listen to your body and what it wants. Craving ice cream? Have some frozen yoghurt. Burger? Have a lean steak. Fries? Have some sautéed new potatoes.

i was 230 when i got pregnant this time - i set myself to maintain for the first trimester (even though i ended up losing 10 lbs *grumbles @ morning sickness*) - and changed my goals to gain 0.5 lb/week sometime during the 2nd trimester. ive gained about 21 lbs so far and im 7 months along. granted ive been slacking on sticking to my goals, and going over often. you need to make sure you eat enough to grow the baby and keep you healthy.
Edited to add: ive been eating between 2200-2700 cals a day on average when sticking to my goals.

Please talk with your doctor to come up with an eating plan and do NOT undereat! Undereating could lead to birth defects, stillbirth, or miscarriage.

"Underweight women are also more likely to experience preterm birth, have a still birth or miscarriage, and experience pregnancy complications such as preeclampsia. Make sure your iron is up too, because you have a higher risk of anaemia if you become pregnant when you’re iron deficient.

It’s not just pregnant Mums who feel the effects of malnutrition. The unborn baby is also affected and may be born at a low birth weight or with mental retardation. There are other disorders that can occur too, like respiratory, intestinal or neurological problems. Low birth weight is associated with greater illness throughout the rest of the baby’s life. Babies born to malnourished women are more likely to die in the first month of life."

http://www.parenthub.com.au/pregnancy/pregnancy-and-food/pregnancy-diet-under-eating/
http://www.livestrong.com/article/357646-what-happens-when-you-dont-eat-while-pregnant/