Final answer:
The progestogen-only pill is more likely to increase bleeding irregularities compared to the combination estrogen-progestogen contraceptive. It also decreases the risk of thrombosis but does not improve mood disorders or enhance fertility.
Step-by-step explanation:
Compared to the combination estrogen-progestogen contraceptive, the progestogen-only pill is more likely to A) Increase bleeding irregularities. Progestogen-only contraceptives can lead to menstrual cycle disturbances because they do not contain estrogen, which helps regulate the menstrual cycle. While they decrease the risk of thrombosis due to the absence of estrogen, which is associated with an increased risk of blood clots, they do not inherently improve mood disorders or enhance fertility. Like other types of hormonal contraception, the progestogen-only pill also prevents ovulation and thickens cervical mucus to prevent pregnancy.
Learn more about Contraceptive