ADJ. early | late | full-term, post-term | easy, healthy, normal | difficult She had a difficult pregnancy with her first child. | teenage | premarital | unplanned, unwanted There are thousands of unwanted teenage pregnancies every year.
VERB + PREGNANCY have | avoid, prevent taking precautions to avoid pregnancy | continue (with), keep the difficult decision about whether to continue with a pregnancy | terminate the right of a woman to terminate her pregnancy
PREGNANCY + VERB be at/go to (full) term
PREGNANCY + NOUN test a home pregnancy test kit
PREP. during/in (a/the) ~ Lower blood pressure is common in early pregnancy. | throughout (a/the) ~ You will be tested throughout your pregnancy.