diff --git a/src/uncategorized/recETS.tw b/src/uncategorized/recETS.tw
index e89483fafad94b3c25ae9b013d89c4c5de4542de..a078ae5348a54e61a1fddcc2433a2fb1f61468bd 100644
--- a/src/uncategorized/recETS.tw
+++ b/src/uncategorized/recETS.tw
@@ -666,6 +666,8 @@
 			<<set $activeSlave.pregAdaptation = 600>>
 			<<set $activeSlave.ovaries = 1>>
 			<<set $activeSlave.counter.birthsTotal = 5>>
+			/* Being pregnant with 25-29 children requires either hyper fertility drugs (1/3 odds) or a genetic quirk (2/3 odds) */
+			<<set $activeSlave.geneticQuirks.hyperFertility = either($activeSlave.geneticQuirks.hyperFertility, 2, 2)>>
 			<<set $activeSlave.face = 15>>
 			<<set $activeSlave.vagina = 4>>
 			<<set $activeSlave.skill.vaginal = 45>>
@@ -1119,6 +1121,7 @@
 				<<run SetBellySize($activeSlave)>>
 				<<set $activeSlave.ovaries = 0>>
 				<<set $activeSlave.counter.birthsTotal = 0>>
+				<<set $activeSlave.geneticQuirks.hyperFertility = Math.min($activeSlave.geneticQuirks.hyperFertility, 1)>> /* if mother is hyper-fertile, make son only carrier */
 				<<set $activeSlave.anus = 0>>
 				<<set $activeSlave.skill.vaginal = 0>>
 				<<set $activeSlave.skill.whoring = 0>>