Pregnancy & Massage
I do about 7 pregnancy massages per WEEK most of the year.
All the no go acupuncture points and reflexology points, IMO, don't do a thing if all is going well. I have worked on enough people very close to due date where I have worked on all of those points and in my experience, it seems to accelerate things IF the body was progressing that way; about a third of people go into labour within 36hrs, the other two thirds generally go into labour after 5 or more days, ie the acupunture and reflexology points seem to speed up things for people that were going to go into labour in the next 4 or 5 days anyway, 5 or more days later, working on all the acupunture and reflexology points does nothing. BUT all the text books and training I have done say avoid those points, so I do, for legal reasons only.
As for the first trimester, miscarriages are very common in the first trimester. The general recommendation for people when they fall pregnant is in the first trimester don't change your routine - don't embark on a new exercise program, don't suddenly change your diet, and I add don't start getting massages if you don't normally have them. I will work on existing clients in the first trimester, if they get a regular treatment every month, they often don't know they are pregnant for one or two of those treatments anyway (I've been the first person to tell them they might be pregnant quite a few times, the difference in body temp around the lower back can be quite dramatic) and stopping their regular routine for one month is silly. I won't take on new clients during the first trimester, but saying that, I have never had anyone make an enquiry about getting a pregnancy massage earlier than week 10; at week 10 or so, it is very easy to tell people they need to wait until 2nd trimester. I usually get about 2 or 3 enquiries a year from people around week 10-11.
The two things I do get overly cautious about are aromatherapy oils and hot stones. My intake forms asks if someone is trying to become pregnant.
I avoid aromatherapy oils as much as possible all the way through the pregnancy. Essential oils are powerful natural chemicals, but they are still powerful chemicals. The everyday load of chemicals a mother to be has to deal with in modern life is huge already, so I avoid adding any other powerful chemicals to the body's chemical burden, natural or not. The chemical load in the amniotic sac is a big concern too.
Heat and pregnancy is also a no no, early on it can affect the development of the baby and later it can lead to the baby turning into less than optimal positions if applied poorly.