Here is a list of resources and organisations if you feel like you might need some more help. If you know of anything not listed than please let me know via the contact page so that it can be added.
You can also make an appointment with your GP. They are able to prescribe medication and refer more serious cases to secondary services (like a mother and baby unit).
If you are looking for more general information regarding mental health and mental health statistics than the following are all good places to start:
Everyone’s Business (maternal mental health specific)