Piśmiennictwo do komentarza

1. ACOG Practice Bulletin number 135: second trimester abortion. Obstet Gynecol. 2013;121(6):1394-406.

2. Abortion surveillance 2010. MMWR surveillance report. MMWR. 2013;62(8).

3. Curtin SC, Abma JC, Ventura MA. Pregnancy rates for U.S. Women continue to drop. NCHS data Brief #136 U.S. Depart of Health and Human Services 2013.

4. Finer lB, Frohwirth lF, Dauphinee lA, et al. Timing of steps and reasons for delays in obtaining abortions in the United States. Contraception. 2006;74:334-344.

Piśmiennictwo do streszczenia biuletynu ACOG

1. Finer lB, Zolna MR. Unintended pregnancy in the United States: incidence and disparities, 2006. Contraception 2011;84:478-85. (level III).

2. Jones RK, Kooistra K. Abortion incidence and access to services in the United States, 2008. Perspect sex Reprod Health 2011;43:41-50. (level III)

3. Jones RK, Finer lB. Who has second-trimester abortions in the united states? Contraception 2012;85:544-51. (level III)

4. Pazol K, Creanga AA, Zane SB, Burley KD, Jamieson DJ. Abortion surveillance—United States, 2009. MMWR Survill Summ 2012;61(ss-8):1-44. (level II-3)