Thread by @Adderabbi

Modern halakhists who permit abortion in cases where mother's life isn't threatened:
R. Yosef Haim (Rav Pealim EH 1:4)
R. Eliezer Waldenberg (Tzitz Eliezer 6:48 et al)
R. Shneur Zalman Fradkin (Torat Hesed EH 42)
R. Gedalia Felder (Sheilat Yeshurun 1:39)
1/

https://twitter.com/benshapiro/status/1016721427943206912

R. Yaakov Emden (Sheilat Yaavetz 1:43)
R. Ouziel (Mishpetei Ouziel HM 3:47)
R. Shaul Yisraeli (Amud Hayemini 32)
Maharit (Rabbi Joseph di Trani; 1:97)
R. Yehiel Yaakov Weinberg (Seridei Esh 3:127)
R. Ovadiah Yosef (Yabia Omer EH 4:1)

#MicDrop

Multiple fetuses where the mother's life is not in danger: ALMOST ALL poskim PERMIT aborting one or more fetus to save the rest.
R. Elyashiv (see Tzitz Eliezer 20:2)
RHD HaLevi (Mayim Hayim 1:61)
RSZ Auerbach (see Nishmat Avraham 425:1:30)
R. Nahum Rabinovitch (Siah Nahum 116)

Three excellent treatments of the subject (Hebrew). R. Melamed's treatment is crystal clear and well-organized. ph.yhb.org.il/.../%D7%98-%D7…

Rav Tzuriel makes some very important points: zomet.org.il/?CategoryID=26…

R. Dr. Steinberg is a world expert & authority: medethics.org.il/website/index.…

Rav Herschel Schachter addresses Tay-Sachs abortions and the case of a Bais Yaakov girl who got pregnant - starting at minute 26.
yutorah.org/sidebar/lectur…
@YUTorah

Excellent treatments by Rav Mordechai Willig:
yutorah.org/sidebar/lectur…

Rav Asher Weiss cites a number of authorities that haven't been mentioned thus far who are lenient in particular circumstances.
torahbase.org/%D7%A4%D7%A8%D…

I think that's it for now.
Sorry I had to block a couple of people when they crossed the line from making a point to trolling.

Okay, one more: An excellent, nuanced pro-life treatment (more about policy than psak) by @ShlomoBrody
thefederalist.com/2016/10/28/con…