Week one no loss :(

Yep, give it two weeks at least.....

The other bit of advice I would give is if you don't have one, get a scale.
Weigh and measure everything you eat or drink.

So then you really know you are getting 1300 calories or not.

You've been doing great but remember that it takes time before the results show, slow weight loss is more healthier then losing weight rapidly. You've probably had a change in your lifestyle so it takes time before your body starts to adapt. Im sure you'll see the results soon. Losing weight takes a lot of time so just be patient and never give up! Good luck

This is a lifestyle and should not be put into such terms as a weekly make or break plan... adherence to the process over the long haul will be the determining factor as to whether you succeed or fail..... Not to mention the fact you only weigh 126 pounds, you are nearer to a normal weight than most and weight loss will be alot slower overall than someone who needs to lose more.... Patient is a virtue you need in this process... Best of Luck

If the exercise is new as well as the diet, it's possible your results are being masked with water retention. Fear not, it takes time to get started.

this^^^

One week on is an accomplishment in itself. I know it's so frustrating not to see a change, but don't give up hope!

I think you also have to remember that you are petite (both short and relatively light to begin with and so you will lose more slowly than larger and taller folks. I don’t know how old you are, but with your height, weight, activity level and an estimated age of 30, your BMR is around 1214/day and your TDEE (assuming exercise 5x/week) is 1776/day. So if you ate 1300/daily, you’d have a deficit of 476/day, which *should* put you at bit less than one lb/week loss—and this can be masked by small fluctuations. So, it will take some real time to see difference. Plus, If you’re newish to lifting weights, the addition of water in your muscles will mask loss.

Finally, even small mismeasurements in eating can wreak havoc (a bite or two here, a guestimate that’s 100 calories off there) and slow things down.

I say all this as someone who has been logging for a month, keeping my calories within range, with no change on the scale (stomach is a bit flatter, however).

In m y case, my calculated BMR is only 1142, and my TDEE 1621. I’m shooting for ½ lb a week (TDEE minus 250 calories) and should have lost s little bit by now, but I keep fluctuating between 120 (low) and 122 (starting weight). However, I just bought a food scale and am now weighing rather than measuring food, so I may have been under-reporting a bit due to relying on volume rather than exact weight. Since my caloric deficit is small to begin with (250/cal a day) being just a bit off with measuring could account for not losin. I also have a hard time knowing exactly what I’m eating when I go out to eat—even though I strive for healthy choices I can only guesstimate, unless there's nutritional data which is not always the case.

But I’m sticking with it for another month, and seeing if weighing helps, plus I’m going to try to up my exercise/weightlifting a bit more. Ultimately I'd love to add muscle and increase my BMR a little bit to give me a cushion for the occasional ice cream!