Hi Ryn-Frog,
Just thought I'd let you know that I'm in a simular situation.
I am currently struggling to keep my weight at 49kg (I'm approx 1.7m).
I got married just over 3 yrs ago and was about 45kg then and a small size 6, then whilst married for the first couple of yrs I gained weight and stayed between 54-58kg which was great I couldn't believe that I actually was wearing size 10 sometimes and thought it was great I was even receiving compliments about how good I looked.
Then everything changed and went down hill 7 months ago when I went off the pill and started TTC. I got quite sick and started losing weight I dropped down to 45-46kg and ever since then it's a been so hard for me to gain weight. I've now been 49kg for just on 3 months and I am constantly monitering what I eat and try to eat just a little more, but I think that my stomach has shrunk so much it's going to be a very slow process to building it up again.

I have consulted my Dr about TTC and she has mentioned my weight an number of times and says that although I am under weight she doesn't think that it's a major issue, she did say that it can cause problems with ovulation and also AF but in my case can't exactly say that's whats delaying my AF (I have a 40+ day cycle) because I had a perfectly normal cycle before going on the pill (I was 28days, without fail).

Also a good friend of mine is 10wks preg at the moment and struggles to maintain her weight at 42kg (she's only short though)and conceived in the first month of trying and the only thing her DR is concerned with is if she's carrying twins her body won't be able to cope cause she's so small.

I know what you mean though about HOW do u put weight on, as I said I struggle, and ppl don't understand all they say is ur so lucky that you're skinny, well that's not true cause I have spent the majority of my life trying to gain and it's upsetting.

Take care and I hope that everything works in ur favour. [-o<