A research in Denmark conducts a study for more than 1 million women and adolescent girls about their birth control.
A research institute in Denmark conducted a study involving more that 1 million women and adolescent girls about their birth control... that birth control has
effect which is related with mood INFLUENCED BY MOOD. BESIDES,
Such as, IT IS ALSO RELATED WITH pills (...) of contraception [NO NEED COMMA] which
are potentially increasE the risk of depression.
Furthermore AT THE SAME TIME/IN ADDITION, scientists from university (...) have
been performed a research
for WITH more than 1 (...) between 15 and 34,
based DIVIDED on two groups,(...) contraceptives, AS PARTICIPANTS.
As the result, they found that women who usE A combination of (...), so it makes the risk
more high HIGHER rather than nonusers.
... in particular
teenage YOUNG girls to know about factors ...
And [AVOID STARTING SENTENCE WITH 'AND'] doctors also should have ...