I am new to this website. I now have a new addiction, besides sleep. This website is great, and MASSIVELY entertaining.
Anyway, to the original question. having a baby during residency is do-able. The ease with which it is incorporated into the residency as a whole is determined by the culture of your program. I am in a university affiliated, community program. Tradiationally this program has about 75% married residents and half of them have kids. I had a baby in August of my second year. She was not planned (unplanned but not unwelcomed). My program director and the rest of the residents simply took it in stride. The year I had my baby, there were 10 babies delivered in my program (out of 40 residents), 2 of which were female residents!
Right now, we have one female resident pregnant, and one who is trying. Last year we had 5 female residents pregnant at once.
Again, the culture of my program is such that this is not a big deal. Everyone understood that I was pregnant or had a brand new baby. I was able to get time off for doctor's visits for myself and her routine baby checks. I nursed her until she was 6 months old, which meant pumping at work. Most people understood. One time, though, one of the guys walked into the call room while I was pumping. At first he didn't realize what was goind on (as I had everything covered with a towel). Then his eyes got real big and his face went pale and he RAN out of the room!!
I was on trauma until 2 weeks before I delivered. I simply waddled everywhere, at a little slower pace than usual. I don't ever remember having to break scrub to pee. I guess you just ignore it when you are really concentrating. I was lucky that I didn't have morning sickness, but I nearly passed out once because I was too hot. I just broke scrub, sat down, and then went to get some juice. In my case, they built in a research rotation, so that technically I didn't lose a lot of time. I had to use all of my vacation time to cover maternity leave that year, which sucked.
As far as losing time. According to my program director, you can have one 46 week year in your first 2 years, and one 46 week year in your last three years, without having to make up time.
No one here cares. Only one male resident has every said anything about it causing him problems. My reply to him was that, its ok for his wife to have a baby at any time during HIS residency. So, as my husband's wife, why shouldn't I be able to have a baby, too?