Also, there is some conflicting information about whether dextromethorphan, the DM in some cough medicine names, may be linked to birth defects such as neural tube defects and cleft palate
The recommended dose for improving cervical mucus is two teaspoons (200 mg) taken orally three times
per day. Recommended
dosage is two teaspoons (200 mg) taken orally three times
per day. If mucus still appears thick, you can take as the maximum dosage as listed on the label of the cough medicine.