My DD is pregnant at the moment and it's not ideal.
Her last midwife's appointment had to be done over the phone, that's an appointment at which normally the midwife would take blood pressure, listen to baby's heart and take measurements. All things impossible to do during a phone appointment.
She had to have her 20 week scan on her own, which is not the end of the world, but she would have like her DH there with her.
She is barely leaving the house at the moment and doesn't want to go to the supermarket.
Her DH is having to work, and she terrified he'll bring the virus home to her.
On top of everything she now faces the prospect of possibly giving birth without her DH being with her, if this goes on long enough.
Given that we have no idea how the situation we are in is going to pan out and where we'll be over the next year or so, and as pp has pointed out we don't know the effect of the virus on unborn babies, I think it's would be very unwise to TTC until things are a great deal more settled.