Thanks everyone :)
Nanny Tiny is settling in well :) I think she's a girl so I'm referring to her as "she". She's so cute! (and she really is tiny!)
Hopefully these antbiotics will start to work now :)
I'm so hormonal and jealous today, but part of me isn't sure if I am being paranoid or not. I was tempted to start an AIBU thread but I'd get torn to shreds on there, I know it's probably just down to hormones etc but I'm so jealous of OH's new friend. I don't understand why - in the nicest possible way, she doesn't look like a supermodel or anything, but OH is devoting so much of his time to her.
He texts her all the time and often ignores me for the sake of texting her. It seems like whenever I'm around he's got his head stuck in his phone, texting her, and he'll be vague and moody with me. Today I managed lectures for an hour but had to head back home, OH had stuck around on campus to wait for me and I had to call him three times before he'd answer - turned out he'd stuck his phone on silent, despite knowing I'd be calling at about half ten, so that he could speak to this girl without being disturbed.
She's constantly talking to him about her failing relationship and how everyone assumes her boyfriend is a nice person but how he likes to get things his own way, how my OH is the only one she feels able to talk to about it etc - she has other female friends on the course, but seems to cling to my OH like nobody's business.
Next week OH is on reading week, and she's invited him round to hers, an hour's journey away, for the day. I can guarantee that if I was invited to a male friend's house, he'd be wary about it and constantly plaguing me with questions, but I'm expected to go along with this. He seems to attract friends who need him to make themselves feel better - he's a lovely guy with self-esteem issues, and he's constantly complimenting people. He has a habit of calling other girls "pretty", which gets on my nerves, but he insists it's just a friendly way of making them feel better about themselves.
He's made it perfectly clear that he misses being intimate with me, and yet he's the one who refuses to have sex because he's scared he'll hurt the baby 
I explained that I wasn't up to it for much of the first trimester, and that I'd rather avoid it during the first few weeks just to negate any possible risk. He was fine with that, but keeps making these comments, and if his friend is so open about her relationship, I've no doubt he is too. I've seen her a couple of times and she doesn't seem to like me very much, and doesn't seem to like seeing me with him.
Sorry this has turned into an essay, should probably have started a thread or something but I just need to vent and I need someone to either slap me and tell me I'm being ridiculous and protective, or to hold my hand and say that they'd be a little bit jealous too 